Musannaf Ibn Abi Shayba 16:234

Abu Bakr narrated to us, he said: Yazid bin Harun narrated to us, from Shu'bah, from Mansur, from Salim bin Abi al-Ja'd, from his father, who said: Abdullah invited a man to his food, and he said: "I have urinated." He said: "Your urine is not in your hand."