Sunan an-Nasa'i 3128
سنن النسائي#3128SahihAbu Hurairah said:"A man came to the Messenger of Allah (ﷺ) and said: 'Tell me of an action that is equal to Jihad.' He said: 'I cannot. When the Mujahid goes out, can you enter the Masjid and stand in prayer and never rest, and fast and never break your fast?' He said: 'Who can do that?
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 25:44