"The greatest of sins in the sight of Allah is that you associate partners with Allah, then kill your child fearing that he will eat with you, then commit adultery with the wife of your neighbor."

"The one who repents from sin is like one who has not sinned at all."

"When a man dies, his deeds come to an end, except for three: a continuing charity, knowledge from which people benefit, or a righteous child who prays for him."

"except with their wives and slave girls, for these are lawful to them."

"The prayer of a person who has had a sexual discharge is not accepted until he performs ablution (ghusl)."