Musannaf Ibn Abi Shaybah 8152 — Holding back stool and urine during

Urwah said: Sayyiduna Abdullah bin al-Arqam (may Allah be pleased with him) set out with his companions intending to perform Umrah. He gave the call to prayer (adhan) and the iqamah, then said to one of his companions: "Go forward and lead the prayer, for I heard the Messenger of Allah (peace and blessings be upon him) say: 'When the time of prayer has come and one of you needs to relieve himself, let him relieve himself first.'"