The Koran Condemns
What the Koran condemns or disapproves of:
- Kufr (disbelief). (Throughout the Koran.)
- Shirk (worshiping other things besides Allah). ("it is as if he had fallen from the sky" 22:31)
- Murder. (4:92-93; 5:32)
Conditions may apply.
- Girl infanticide. (81:8-9)
- Rejectors of the Koran. ("They are the worst of creatures." 98:6)
- Polytheists. ("Pagans are unclean" 9:28)
- Idols. (22:30)
- Zina (fornication or adultery). (24:2; 25:68; 60:12)
- Marrying the fornicators with the chaste. (24:3)
- Marrying an ex-wife of your father. ("shameful and odious, an abominable custom indeed" 4:22)
- Marrying polytheists. (2:221)
- Marrying the widows of the Prophet. (33:53)
- Sex with a menstruating woman. (2:222)
- Homosexuality. (7:80-81; 26:165-166; 27:54-55; 29:28-29)
- Alcohol/intoxicants. (5:90-91)
- Gambling. (5:90-91)
- Theft. (5:38)
- Defrauders. (83:1)
- False testimony. (22:30)
- Practicing magic. (113:4)
- Causing annoyance to the Prophet (by staying for a chat after the meal). (33:53)
- Believing that angels are female. (37:150; 43:19)
What the Koran does not condemn or disapprove of:
- Sex with slave girls. (It's actually explicitly allowed.)
- Child abuse.
- Child marriage.
In Islam girls are considered to be mature as soon as they menstruate (at least according to orthodox interpretations.)
- Spousal abuse.
In fact, hitting is permissible in certain situations according to 4:34.
- Rape. (Though Zina is considered a sin.)
Forcing your wife to have sex isn't considered rape by orthodox Muslims.
- Honour killings.
Although murder is condemned, mentioning this explicitly would have done the world a lot of good.
- Genital mutilation.