The Book of Prayers (Kitab Al-Salat)

Muslim :: Book 4 : Hadith 856

Anas reported: The Apostle of Allah (may peace be upon him) said: Complete the bowing and prostration well. By Allah, 1 see you behind my back as to how you bow and prostrate or when you bow and prostrate.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star