It was narrated from Safwan bin Umayyah that:
he circumambulated theKa'bah and prayed, then he rolled up a Rid' of his and placed it beneath his head, and slept. A thief came and slid it out from beneath his head and too…
Ibn Abbas narrated that the Messenger of Allah (ﷺ) said:
"Do not argue with your brother, do not joke with him, and do not make a promise, only to not fulfill it."