Abu Zara' bin 'Amr /Harm أبو زرعة بن عمرو/هرم · The Book of Purification

It was narrated from Abu Hurairah that the Prophet (ﷺ) performed Wudu', and when he had performed Istinja' he rubbed his hand on the ground.

"When the Messenger of Allah (ﷺ) started Salah, he would remain silent for a short while. I said: 'May my father and mother be ransomed for you, O Messenger of Allah! What do you say when you remain silent between the Takbir and the recitation (in the Salah)?' He said: 'I say: Allahumma ba'id baini was baina khatayaya kama ba'adta baina al-mashriq wal-maghrib; Allahumma naqqini min khatayaya kama yunaqqath-thawb al-abyad min ad-danas; Allahummaghsilni min khatayaya bith-thalji wal-ma'i wal-barad (O Allah,…

"When any one of you a wants to return (to have intercourse again), let him perform Wudu'."