Those who said when you lend, take back what you lent

Al-Hasan said: "When you give by count, take by count, and if you give by weight, take by weight."

Muhammad (may Allah have mercy on him) used to dislike that one should lend to someone by count and collect it from him by weight.

Badham said: "I saw Iyas bin Mu'awiyah when he was in charge of the dam of Nabq; he would borrow reeds by weight and return them by weight."

Al-Hasan and Muhammad were asked about a man who borrowed dirhams from another by count in a certain land, and they then came to circulate by weight: may he repay the loan by weight? Both of them disliked this and said: "He may repay only the like of his dirhams."

It is narrated from Sa'id bin al-Musayyib concerning a man who was owed a thousand large bricks by another man; large bricks sell at two hundred for a dirham, while small bricks sell at two hundred and fifty for a dirham. He said: "He has reduced his right, so he may absolve him if he wishes."

Ata said: "What is by weight is (settled and returned) by weight, and what is by count by count."