Sahih Muslim Book 040, Hadith Number 6781.

Chapter : Not known.

Abu Huraira reported that Allah's Apostle (may peace be upon him) said: Allah, the Exalted and Glorious, said: I have prepared for My pious servants which no eye (has ever) seen, no ear has (ever) heard and no human heart has ever perceived those bounties leaving apart (those bounties) about which Allah has informed you.