Ahmed bin 'Amr bin al-Sarh أحمد بن عمرو بن السرح أبو الطاهر · The Book of Financial Transactions

"The Messenger of Allah said: 'The best (most pure) food that a man eats is that which he has earned himself, and his child (and his child's wealth) is part of his earning,"

the Messenger of Allah forbade the price of dogs and cats, except hunting dogs. (Da'if) Abu 'Abdur-Rahman (An-Nasa'i) said: This is Munkar.

"Sa'd, 'Ammar and I entered into a partnership on the Day of Badr, (agreeing to share) whatever was allotted to us. 'Ammar and I did not get anything. But sa'd got two prisoners."

"Any one of you who has land, or date palm trees, he should not sell them until he offers them to his partner first."