Bismillah Walhamdulillah Was Salaatu Was Salaam ‘ala Rasulillah

Narrated Mu’aiqib (Radi-Allahu ‘anhu):

The Prophet (Sallallahu ‘Alaihi Wa Sallam) talked about a man leveling the earth on prostrating, and said, “If you have to do so, then do it once.”

Bukhari Vol. 2 : No. 298