(64) باب إِمَامَةِ الْبَرِّ وَالْفَاجِرِ
Abu Hurairah reported the Messenger of Allah(ﷺ) as saying:
The obligatory prayer is essential behind every Muslim, pious or impious, even if he has committed a sins. (DE)
Reference (DE): Sunan Abi Dawud 594 (DE)
In-book reference (DE): Book 2, Hadith 204 (DE)
English translation (DE): Book 2, Hadith 594 (DE)