"If a fly falls into one of your containers [of food or drink], immerse it completely before removing it, for one of its wings carries disease and the other carries the cure."

"The parable of the believers in their mutual love and mercy is like one body; if one part of it suffers, the whole body suffers in sleeplessness and fever."

"The truthful and trustworthy merchant will be with the prophets, the steadfast affirmers of truth, and the martyrs on the Day of Resurrection."

"The world is sweet and green, and verily Allah is going to install you as vicegerents in it in order to see how you act."

"The upper hand is better than the lower hand (i.e., the one who gives is better than the one who takes)."