Abdul Malik bin 'Ubaid عبد الملك بن عبيد · The Book of Financial Transactions

"I was with the Messenger of Allah on a journey, and I was riding a camel. He said: 'Why are you at the back of the people?, I said: 'My camel is tired, He took hold of its tail and shouted at it, then I was at the front of the people, worrying that it would go ahead of the others. When we drew close to al-Madinah he said: 'What happened to the camel? Sell it to me.' I said,…