Narrated Jabir bin 'Abdullah: While I was in the company of the Prophet in one of his Ghazawat, he asked, "What is wrong with your camel? Will you sell it?" I replied in the affirmative and sold it to him. When he reached Medina, I took the camel to him in the morning and he paid me its price.
— Sahih Bukhari, Volume 3, Book 41: Loans, Payment of Loans, Freezing of Property, Bankruptcy, Hadith #570