Christianity and Islam According to the Bible and Quran: Other Teachings and Beliefs

Faith and Deeds

Bible says:

Romans 10:9

9That if you confess with your mouth, “Jesus is Lord,” and believe in your heart that God raised him from the dead, you will be saved.

Galatians 2:16,21

16know that a man is not justified by observing the law, but by faith in Jesus Christ. So we, too, have put our faith in Christ Jesus that we may be justified by faith in Christ and not by observing the law, because by observing the law no one will be justified….21I do not set aside the grace of God, for if righteousness could be gained through the law, Christ died for nothing!”

These verses contradict with these verses from the bible…

James 2:14

14What good is it, my brothers, if a man claims to have faith but has no deeds? Can such faith save him?

James 2:17

17In the same way, faith by itself, if it is not accompanied by action, is dead.

James 2:24

24You see that a person is justified by what he does and not by faith alone.

Quran says:

Surah 4:123-124

It will not be in accordance with your desires, nor the desires of the People of the Scripture. He who doeth wrong will have the recompense thereof, and will not find against Allah any protecting friend or helper.And whoso doeth good works, whether of male or female, and he (or she) is a believer, such will enter paradise and they will not be wronged the dint in a date-stone.

Surah 24:39

As for those who disbelieve, their deeds are as a mirage in a desert. The thirsty one supposeth it to be water till he cometh unto it and findeth it naught, and findeth, in the place thereof, Allah Who payeth him his due; and Allah is swift at reckoning.

The Original Sin

Bible says:

Romans 5:19

19For just as through the disobedience of the one man the many were made sinners, so also through the obedience of the one man the many will be made righteous.

1 Corinthians 1:21-25

21For since in the wisdom of God the world through its wisdom did not know him, God was pleased through the foolishness of what was preached to save those who believe. 22Jews demand miraculous signs and Greeks look for wisdom, 23but we preach Christ crucified: a stumbling block to Jews and foolishness to Gentiles, 24but to those whom God has called, both Jews and Greeks, Christ the power of God and the wisdom of God. 25For the foolishness of God is wiser than man’s wisdom, and the weakness of God is stronger than man’s strength.

1 Corinthians 3:18

18Do not deceive yourselves. If any one of you thinks he is wise by the standards of this age, he should become a “fool” so that he may become wise.

1 Corinthians 15:3

For what I received I passed on to you as of first importance that Christ died for our sins according to the Scriptures,

This contradicts with… 

Deuteronomy 24:16

16 Fathers shall not be put to death for their children, nor children put to death for their fathers; each is to die for his own sin.

Ezekiel 18:20-23

20 The soul who sins is the one who will die. The son will not share the guilt of the father, nor will the father share the guilt of the son. The righteousness of the righteous man will be credited to him, and the wickedness of the wicked will be charged against him.

    21 “But if a wicked man turns away from all the sins he has committed and keeps all my decrees and does what is just and right, he will surely live; he will not die. 22 None of the offenses he has committed will be remembered against him. Because of the righteous things he has done, he will live. 23 Do I take any pleasure in the death of the wicked? declares the Sovereign LORD. Rather, am I not pleased when they turn from their ways and live?

Quran says:

Surah 20:121-122

Then they twain ate thereof, so that their shame became apparent unto them, and they began to hide by heaping on themselves some of the leaves of the Garden. And Adam disobeyed his Lord, so went astray. Then his Lord chose him, and relented toward him, and guided him.

Surah 53:36-39

Or hath he not had news of what is in the books of Moses. And Abraham who paid his debt: That no laden one shall bear another’s load, And that man hath only that for which he maketh effort,


There is not a single clear cut verse in the bible that prohibits polygamy.

I recommend reading the following article

The Biblical and Quranic Styles

Bible says:

Ezekiel 23:20

20 There she lusted after her lovers, whose genitals were like those of donkeys and whose emission was like that of horses. 21 So you longed for the lewdness of your youth, when in Egypt your bosom was caressed and your young breasts fondled.

Quran says:

Surah 16:112

And Allah sets forth a parable: (Consider) a town safe and secure to which its means of subsistence come in abundance from every quarter; but it became ungrateful to Allah’s favors, therefore Allah made it to taste the utmost degree of hunger and fear because of what they wrought.

Surah 41:15-18

Then as to Ad, they were unjustly proud in the land, and they said: Who is mightier in strength than we? Did they not see that Allah Who created them was mightier than they in strength, and they denied Our communications? So We sent on them a furious wind in unlucky days, that We may make them taste the chastisement of abasement in this world’s life; and certainly the chastisement of the hereafter is much more abasing, and they shall not be helped. And as to Samood, We showed them the right way, but they chose error above guidance, so there overtook them the scourge of an abasing chastisement for what they earned. And We delivered those who believed and guarded (against evil).

In order to show the seriousness of idolatry and sins committed by Israel and Judah, the Bible pictured Samaria and Jerusalem as two sisters engaged in prostitution. This prostitution metaphor is often used in the Bible, (Ezekiel 16:2-32, Jeremiah 3:1)

The writer of these verses used very lewd sexual expressions and words which obviously cannot be from Allah. If any moral person cannot utter these words, then how could we believe that Allah spoke them!

In contrast, when the Quran talks about the sins committed by some people and their punishment, it uses very noble and impressive language which moves the reader to tears and fills the heart with awe. It does not take long for the reader to recognize the beauty and majesty of the Word of Allah. 

Wisdom and Knowledge

Bible says:

Ecclesiastes 1:18

For with much wisdom comes much sorrow;
       the more knowledge, the more grief.

Ecclesiastes 2:15

Then I thought in my heart,
       “The fate of the fool will overtake me also.
       What then do I gain by being wise?”
       I said in my heart,
       “This too is meaningless.”

Quran says:

Surah 2:269

He grants wisdom to whom He pleases, and whoever is granted wisdom, he indeed is given a great good and none but men of understanding mind.

Surah 58:11

O you who believe! when it is said to you, Make room in (your) assemblies, then make ample room, Allah will give you ample, and when it is said: Rise up, then rise up. Allah will exalt those of you who believe, and those who are given knowledge, in high degrees; and Allah is Aware of what you do.


Bible says:

Genesis 9:20-25

  20 Noah, a man of the soil, proceeded [a] to plant a vineyard. 21 When he drank some of its wine, he became drunk and lay uncovered inside his tent. 22 Ham, the father of Canaan, saw his father’s nakedness and told his two brothers outside. 23 But Shem and Japheth took a garment and laid it across their shoulders; then they walked in backward and covered their father’s nakedness. Their faces were turned the other way so that they would not see their father’s nakedness.

    24 When Noah awoke from his wine and found out what his youngest son had done to him, 25 he said,
“Cursed be Canaan!
       The lowest of slaves

       will he be to his brothers.”

Deuteronomy 23:20

20 You may charge a foreigner interest, but not a brother Israelite, so that the LORD your God may bless you in everything you put your hand to in the land you are entering to possess.

Quran says:

Surah 49:13

O mankind! Lo! We have created you male and female, and have made you nations and tribes that ye may know one another. Lo! the noblest of you, in the sight of Allah, is the best in conduct. Lo! Allah is Knower, Aware.

Surah 8:63

And (as for the believers) hath attuned their hearts. If thou hadst spent all that is in the earth thou couldst not have attuned their hearts, but Allah hath attuned them. Lo! He is Mighty, Wise.

Killing the Enemy’s Women and Children

Bible says:

1 Samuel 15:2,3 

2 This is what the LORD Almighty says: ‘I will punish the Amalekites for what they did to Israel when they waylaid them as they came up from Egypt.3 Now go, attack the Amalekites and totally destroy [a] everything that belongs to them. Do not spare them; put to death men and women, children and infants, cattle and sheep, camels and donkeys.’ “

Numbers 31:17,18

17 Now kill all the boys. And kill every woman who has slept with a man,18 but save for yourselves every girl who has never slept with a man.

Deuteronomy 20:16

16 However, in the cities of the nations the LORD your God is giving you as an inheritance, do not leave alive anything that breathes.

Quran says:

Surah 2:190

“Fight in the cause of God those who fight you, but do not transgress limits; for God loveth not transgressors.  

Surah 8:61

“But if the enemy incline towards peace, do thou (also) incline towards peace, and trust in God: for He is One that heareth and knoweth (all things)

Surah 5:28

“If thou dost stretch thy hand against me, to slay me, it is not for me to stretch my hand against thee to slay thee: for I do fear God, the cherisher of the worlds.  

Surah 2:193

“And fight them until persecution is no more, and religion is for God.  But if they desist, then let there be no hostility except against wrongdoers.  

Surah 60:8-9

God forbids you not, with regard to those who fight you not for (your) Faith nor drive you out of your homes, from dealing kindly and justly with them: for God loveth those who are just.God only forbids you, with regard to those who fight you for (your) Faith, and drive you out of your homes, and support (others) in driving you out, from turning to them (for friendship and protection). It is such as turn to them (in these circumstances), that do wrong.


Bible says:

Genesis 11:1-7

1 Now the whole world had one language and a common speech. 2 As men moved eastward, [a] they found a plain in Shinar [b] and settled there.

    3 They said to each other, “Come, let’s make bricks and bake them thoroughly.” They used brick instead of stone, and tar for mortar. 4 Then they said, “Come, let us build ourselves a city, with a tower that reaches to the heavens, so that we may make a name for ourselves and not be scattered over the face of the whole earth.”

    5 But the LORD came down to see the city and the tower that the men were building. 6 The LORD said, “If as one people speaking the same language they have begun to do this, then nothing they plan to do will be impossible for them. 7 Come, let us go down and confuse their language so they will not understand each other.”

Quran says:

Surah 30:22

And of His signs is the creation of the heavens and the earth, and the difference of your languages and colours. Lo! herein indeed are portents for men of knowledge.

According to the Bible, the difference in languages was a plot from God who felt jealous and afraid when He saw men speaking the same language. 

Allah says in the Quran that the difference in languages is a miracle, and not a curse. Allah does not plot jealously against humans. All humans cannot do anything against the will of Allah and can neither harm nor benefit the Almighty Allah whether they speak one language or not. 


Bible says:

Psalm 33:2,3

2 Praise the LORD with the harp;
       make music to him on the ten-stringed lyre.

3 Sing to him a new song;
       play skillfully, and shout for joy.

Psalm 150:1-5

1 Praise the LORD. [a]
       Praise God in his sanctuary;
       praise him in his mighty heavens.

    2 Praise him for his acts of power;
       praise him for his surpassing greatness.

    3 Praise him with the sounding of the trumpet,
       praise him with the harp and lyre,

    4 praise him with tambourine and dancing,
       praise him with the strings and flute,

    5 praise him with the clash of cymbals,
       praise him with resounding cymbals.


a.      Psalm 150:1 Hebrew Hallelu Yah ; also in verse 6

Quran says:

Surah 3:113

They are not all alike. Of the People of the Scripture there is a staunch community who recite the revelations of Allah in the night season, falling prostrate (before Him).

Surah 19:58-61

These are they unto whom Allah showed favour from among the prophets, of the seed of Adam and of those whom We carried (in the ship) with Noah, and of the seed of Abraham and Israel, and from among those whom We guided and chose. When the revelations of the Beneficent were recited unto them, they fell down, adoring and weeping. Now there hath succeeded them a later generation whom have ruined worship and have followed lusts. But they will meet deception. Save him who shall repent and believe and do right. Such will enter the Garden, and they will not be wronged in aught -Gardens of Eden, which the Beneficent hath promised to His slaves in the unseen. Lo! His promise is ever sure of fulfilment –

Surah 22:77

O ye who believe! Bow down and prostrate yourselves, and worship your Lord, and do good, that haply ye may prosper.

Surah 31:6

And of mankind is he who payeth for mere pastime of discourse, that he may mislead from Allah’s way without knowledge, and maketh it the butt of mockery. For such there is a shameful doom.

Surah 32:15-18

Only those believe in Our revelations who, when they are reminded of them, fall down prostrate and hymn the praise of their Lord, and they are not scornful, Who forsake their beds to cry unto their Lord in fear and hope, and spend of that We have bestowed on them. No soul knoweth what is kept hid for them of joy, as a reward for what they used to do. Is he who is a believer like unto him who is an evil-liver? They are not alike.

The purpose of worship in Islam is to purify and cleanse the soul and daily life of sin and evil. The most fundamental and the most important act of worship is ‘Salah’, which is the five daily prayers. These daily prayers strengthen attachment to Allah and remind of commitments to Him. They help to prevent the Muslim from being dragged into unlawful worldly activities. The prayers are performed five times a day to ensure this purification. 

Surah 29:45

Recite what is sent of the Book by inspiration to thee, and establish regular Prayer: for Prayer restrains from shameful and unjust deeds; and remembrance of God is the greatest (thing in life) without doubt. And God knows the (deeds) that ye do.

Performing prayer in congregation in mosques creates among the Muslims bonds of love and equality. The poor and the rich, the low and the high the black and the white, all stand shoulder to shoulder and prostrate themselves before the Lord; racial pride and arrogance die out. They stand in full devotion and humility reciting the Verses of the Quran, giving thanks to Allah and asking Him for forgiveness and help without intermediaries and without priests. No other faith can be like Islam in this close, direct and noble relationship with Allah. In the mosque there is no priests claiming the authority to forgive sins on behalf of Allah and turning the hearts of people from pure worship to one God. In the mosque there is no music to occupy the mind and divert it away from clear thinking and understanding. 

Furthermore, worship, in Islam, is not limited to the mosque only. Every good action is considered an act of worship if it is performed sincerely for the sake of Allah and according to His Law. Even dealings with parents, relatives and people can be acts of worship if they are done according to the instructions of Allah for  His pleasure. Prophet Muhammad (pbuh) said:

“Removing obstructions and dirt from the way is charity,”

and he said:

“Giving your brother a smile is charity, and helping a person load his animal is charity.”


Bible says:

1 Corinthians 9:19-20

    19Though I am free and belong to no man, I make myself a slave to everyone, to win as many as possible. 20To the Jews I became like a Jew, to win the Jews. To those under the law I became like one under the law (though I myself am not under the law), so as to win those under the law.

Quran says:

Surah 4:138

To the Hypocrites give the glad tidings that there is for them (but) a grievous penalty; –

Surah 4:145

The Hypocrites will be in the lowest depths of the Fire: no helper wilt thou find for them; –


Bible says:

Ecclesiastes 10:19

19 A feast is made for laughter,
       and wine makes life merry,
       but money is the answer for everything.

Ecclesiastes 9:5-10

5 For the living know that they will die,
       but the dead know nothing;
       they have no further reward,
       and even the memory of them is forgotten.

    6 Their love, their hate
       and their jealousy have long since vanished;
       never again will they have a part
       in anything that happens under the sun.

    7 Go, eat your food with gladness, and drink your wine with a joyful heart, for it is now that God favors what you do. 8 Always be clothed in white, and always anoint your head with oil. 9 Enjoy life with your wife, whom you love, all the days of this meaningless life that God has given you under the sun? all your meaningless days. For this is your lot in life and in your toilsome labor under the sun. 10 Whatever your hand finds to do, do it with all your might, for in the grave, [a] where you are going, there is neither working nor planning nor knowledge nor wisdom.

John 4:46

46Once more he visited Cana in Galilee, where he had turned the water into wine. And there was a certain royal official whose son lay sick at Capernaum.

Quran says:

Surah 5:90-91

O ye who believe! Intoxicants and gambling, (dedication of) stones, and (divination by) arrows, are an abomination, – of Satan’s handwork: eschew such (abomination), that ye may prosper. Satan’s plan is (but) to excite enmity and hatred between you, with intoxicants and gambling, and hinder you from the remembrance of God, and from prayer: will ye not then abstain?

Blood Sacrifice

Bible says:

Most Christians erroneously assume that God always needed a sacrifice in order to please him, however they are mistaken. These verses from the Bible clearly show it. 

Hosea 6:6

6 For I desire mercy, not sacrifice,
       and acknowledgment of God rather than burnt offerings.

Jeremiah 7:31

31 They have built the high places of Topheth in the Valley of Ben Hinnom to burn their sons and daughters in the fire-something I did not command, nor did it enter my mind.


But how can it enter God’s (Father) mind to have his own son (Jesus) crucified?


Ezekiel 18:21,22,24

21 “But if a wicked man turns away from all the sins he has committed and keeps all my decrees and does what is just and right, he will surely live; he will not die.

22 None of the offenses he has committed will be remembered against him. Because of the righteous things he has done, he will live.

23 Do I take any pleasure in the death of the wicked? declares the Sovereign LORD. Rather, am I not pleased when they turn from their ways and live?

24 “But if a righteous man turns from his righteousness and commits sin and does the same detestable things the wicked man does, will he live? None of the righteous things he has done will be remembered. Because of the unfaithfulness he is guilty of and because of the sins he has committed, he will die.


This verse is simply stating that if someone turns away from the evil he has done, then God will forgive him. There does not need to be any bloodshed. This is what we believe in Islam as well.


Isaiah 66:3

3 But whoever sacrifices a bull is like one who kills a man, and whoever offers a lamb,
like one who breaks a dog’s neck; whoever makes a grain offering is like one who presents pig’s blood, and whoever burns memorial incense,
like one who worships an idol. They have chosen their own ways,
and their souls delight in their abominations;


Showing that sacrifices are useless to God.


Psalm 51:16-19

16 You do not delight in sacrifice, or I would bring it;
       you do not take pleasure in burnt offerings.

17 The sacrifices of God are [a] a broken spirit;
       a broken and contrite heart,
       O God, you will not despise.

18 In your good pleasure make Zion prosper;
       build up the walls of Jerusalem.

19 Then there will be righteous sacrifices,
       whole burnt offerings to delight you;
       then bulls will be offered on your altar.


What God truly wants is for us to be sincerely regretful when we commit sins and to turn to him.


Matthew 6:9-15

“This, then, is how you should pray:
   ” ‘Our Father in heaven,
   hallowed be your name,
    10your kingdom come,
   your will be done
      on earth as it is in heaven.
    11Give us today our daily bread.
12Forgive us our debts,
      as we also have forgiven our debtors.
    13And lead us not into temptation,
   but deliver us from the evil one.[a]14For if you forgive men when they sin against you, your heavenly Father will also forgive you. 15But if you do not forgive men their sins, your Father will not forgive your sins.  

We are asking God to forgive us our sins, like how we should forgive people. If Jesus was crucified for our sins then why ask god for forgiveness of our sins if the debt has already been paid for on the cross?


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