Yahya bin Abi Kathir يحيى بن أبي كثير الطائي · The Book on Salat (Prayer)

"On the Day of Al-Khandaq (the battle of the Trench), Umar bin Al-Khattab came cursing the disbelievers of Quraish and said: 'O Allah's Messenger! I could not offer he Asr prayer until the sun was about to set.' The Prophet said: 'By Allah! I too have not offered the Salat.'" So he said: "We descended into Buthan, Allah's Messenger performed Wudu and we too performed Wudu. Allah's Messenger prayed Asr after the sun had set, then after it he prayed…

"I asked Allah's Messenger (S) about smoothening the pebbles during Salat. He said: 'If you must do so, then let it be only once.'"

"Allah's Messenger (S) ordered killing the two black things in Salat; the snake and the scorpion."

the Prophet (S) led them in Salat he forgot (something) so he performed two prostrations, then the Tashah-hud, then the Salam.

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