Sahih Muslim
The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness (Kitab Al-Dhikr)
Book Number: 035 / Hadith Number: 6512
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: The uttering of (these words):" Hallowed be Allah; all praise is due to Allah, there is no god but Allah and Allah is the Greatest," is dearer to me than anything over which the sun rises.