Qatada قتادة · The Book of Forgetfulness (In Prayer)

"The Messenger of Allah (ﷺ) said: 'When any one of you stands in prayer, let him not smooth the pebbles, for he is facing Mercy.'"

'The Messenger of Allah (ﷺ) did not prostrate that day either before the salam or after."

"The Messenger of Allah (ﷺ) used to teach us the tashahhud just as he used to teach us a surah from the Quran."

A paternal uncle of his who was present at Badr told him, that a man entered the masjid and prayed, and the Messenger of Allah (ﷺ) was watching, but we did not realize. When he had finished, he came and greeted the Messenger of Allah (ﷺ) with salam. He said: "Go back and pray, for you have not prayed." So he went back and prayed, then he came to the Messenger of Allah (ﷺ) and he said: "Go back and…