Musannaf Ibn Abi Shayba 13:1381

Abu Bakr narrated to us, he said: Zayd ibn al-Hubab narrated to us, he said: al-Dahhak ibn Uthman narrated to us, he said: Bukayr ibn Abd Allah ibn al-Ashajj informed me, from Sulayman ibn Yasar, from Abu Hurayrah, that the Prophet, may Allah bless him and grant him peace, said: "Whoever buys food, let him not sell it until he has measured it."