Earth was created in 6 days (periods):

• We created the heavens and the earth and all that is between them in six days, and we suffered no weariness. (50: 38)

• Surely, your lord is allah, who created the heavens and the earth in six days; then he settled himself on the throne.(7:54)

• Verily your lord is allah, who created the heavens and the earth in six days (10:3)

Earth was created in 2 days:

•  Say: Is it that ye deny Him Who created the earth in two Days? And do ye join equals with Him? He is the Lord of (all) the Worlds.(41:9)

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Forbidden foods:

• O ye who believe, eat of the lawful and wholesome things we have provided for you, and render thanks to Allah, if truly it is he whom you worship. He has made unlawful for you only that which has died, and blood and the flesh of swine, and that on which the name of any other than Allah has been invoked. (2:172-173)

Later, Allah adds more forbidden foods:

• Forbidden to you is the flesh of a dead animal, and blood, and the flesh of swine; and that on which the name of one other than Allah is invoked, and the flesh of an animal that has been strangled, or is beaten to death, or is killed by a fall, or is gored to death, and of which a wild animal has eaten, unless you have slaughtered it properly before its death, and that which has been slaughtered at an altar. (5:3)

Then, he goes back to his original prohibition only:

• He has forbidden you only the flesh of dead animals, blood, the flesh of swine and that on which the name of any other than Allah has been invoked. (16:115)

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Jews say there is a son of God? 

•  The Jews call 'Uzair (Ezra)  a son of Allah, and the Christians call Christ the son of Allah. That is a saying from their mouth; (in this) they but imitate what the unbelievers of old used to say. Allah's curse be on them: how they are deluded away from the Truth! (9:30)

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Weaning takes 21 months:

• The carrying of the child to his weaning is a period of thirty months. At length, when he reaches the age of full strength and attains forty years, he says. O my Lord! (46:15)

Weaning takes 2 years:

• His mother bears him in travail after travail and his weaning takes two years. (31:14)

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No flaws in creation:

• No want of proportion wilt thou see in the creation of Allah most gracious. Seest thou any flaw? (67:3)

Man is hasty and ungrateful (isn’t that a flaw?):

•  Man is hasty in nature (21:37)

•  Man calls for evil as eagerly as Allah calls him to good; man is indeed  hasty. (17:11)

•  Truly man is, to his lord, ungrateful (100:6)

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Only Mohammad may marry right hand possessions (slaves):

• O Prophet, we have made lawful for thee thy wives whose dower thou hast paid, and those whom thy right hand possesses out of the prisoners of war whom Allah has assigned to thee; and daughters of thy paternal and maternal uncles and aunts who have migrated with thee, and any other believing woman who dedicates herself to the prophet provided the prophet desires to marry her. This ordinance is only for thee and not for the other believers. (33:50 )

All Muslims may marry slaves:

• If any of you have not the means wherewith to wed free believing women, they may wed believing girls from among those whom your right hands possess (4:25)

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Are they crystal clear or made of silver?:

• And amongst them will be passed round vessels of silver and goblets of crystal. Crystal-clear, made of silver: (76:15,16)

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A day is 1,000 years :

·     He rules (all) affairs from the heavens to the earth: in the end will (all affairs) go up to Him, on a Day, the space whereof will be (as) a thousand years of your reckoning. (32:5)

A day is 50,000 years:

·                     The angels and the spirit ascend unto him in a Day the measure whereof is (as) fifty thousand years: (70:4)

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The Koran has parts only Allah will understand:

•  He it is Who has revealed the Book to you; some of its verses are decisive, they are the basis of the Book, and others are allegorical; then as for those in whose hearts there is perversity they follow the part of it which is allegorical, seeking to mislead and seeking to give it (their own) interpretation. But none knows its interpretation except Allah, and those who are firmly rooted in knowledge say: We believe in it, it is all from our Lord; and none do mind except those having understanding. (3:7)

The Koran is easy to understand:

• And we have indeed made the quran easy to understand and remember: (54:17)
• But we have indeed made the quran easy to understand and remember: (54:22)
• And we have indeed made the quran easy to understand and remember. (54:32) & (54:40)