“The Messenger of Allah (ﷺ) stood (in prayer) until his feet became swollen. It was said: ‘O Messenger of Allah, Allah has forgiven you your past and future sins.’ He said: ‘Should I not be a thankful slave?’”
Sunan Ibn Majah Book 5, Hadith 617
← Previous Hadith “I prayed one night with the Messenger of Allah (ﷺ) and he kept standing until I thought of doing something bad.” I said: “What was that?”He said: “I thought of sitting down and leaving him.”

Sunan Ibn Majah Book 5, Hadith 616 Next Hadith → “The Messenger of Allah (ﷺ) used to pray until his feet became swollen. It was said: ‘O Messenger of Allah, Allah has forgiven you your past and future sins.’ He said: ‘Should I not be a thankful slave?’”

Sunan Ibn Majah Book 5, Hadith 618