Abu Dawud Book 2, Hadith Number 857.

Chapter : Not known.

Narated By Rifa’ah ibn Rafi’ : This version (of Hadith No 856) adds: The Apostle of Allah (PBUH) said: The prayer of any of you is not complete until he performs ablution perfectly, as Allah, the Exalted, has ordered you. He should wash his face and hands up to the elbows, and wipe his head and (wash) his feet up to the ankles. Then he should exalt Allah and praise Him. Then he should recite the Qur’an as much as it is convenient for him.

(Narrator then narrated the tradition like Hammad’s, No. 856). He said: He then utter the takbir and prostration himself so that his face is at rest.

Hammam (sub-narrator) said: Sometimes he reported: So that his forehead is at rest on the ground, and his joints return to their places and are loosened. Then he should say the takbir and then sit right on his hips and erect his back. He described the nature of prayer in this way by offering four rak’ahs until he finished it. The prayer of any of you is not complete unless he does so.