Musannaf Ibn Abi Shayba 17:1262

Yazid ibn Harun narrated to us, he said: Sufyan ibn Husayn narrated to us, from al-Zuhri, from Humayd ibn Abd al-Rahman, from his mother, she said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "He has not lied, the one who speaks good, or causes good to grow, or reconciles between two people."