Narrated Aisha:
The Prophet (ﷺ) used to offer prayer at night (for such a long time) that his feet used to crack. I said, "O Allah's Messenger (ﷺ)! Why do you do it since Allah has forgiven you your faults of the past and those to follow?" He said, "Shouldn't I love to be a thankful slave (of Allah)?' When he became old, he prayed while sitting, but if he wanted to perform a bowing, he would get up, recite (some other verses) and then perform the bowing.
Reference | : Sahih al-Bukhari 4837 |
In-book reference | : Book 65, Hadith 358 |
USC-MSA web (English) reference | : Vol. 6, Book 60, Hadith 361 |
(deprecated numbering scheme) |