Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) narrates from the Prophet (peace and blessings be upon him) that he (peace and blessings be upon him) said: "The likeness of the five prayers is that of a river flowing past the door of one of you, in which he bathes five times a day."
(b) In the narration of Ya'la bin Ubayd it is: "What would remain of his dirt?"
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4972