´It was narrated that Hakim bin Hizam said:` "I said: 'O Messenger of Allah, a man is asking me to sell him something that I do not possess; Shall I sell it to him?' He said: 'Do not sell what is not with you."'
Hadith ReferenceSunan Ibn Majah / The Chapters on Business Transactions / Hadith: 2187
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده حسن