Jabiru (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "The similitude of the five (obligatory) Salat is like a river running at the door of one of you in which he takes a bath five times a day."[Muslim]. (DE)
App reference (DE): Book 9, Hadith 53 (DE)
Arabic/English book reference (DE): Book 9, Hadith 1043 (DE)