Hilal bin Yasaf هلال بن يساف · The Book of Forgetfulness (In Prayer)

"Ammar bin Yasir led us in prayer and he made it brief. Some of the people said to him: 'You made the prayer sort (or brief).' He said: 'Nevertheless I still recited supplications that I heard from the Messenger of Allah (ﷺ).' When he got up and left, a man -- he was my father but he did not name himself -- followed him and asked him about that supplication, then he came and told the people: "Allāhumma bi `ilmikal-ghaiba…