Sahih Muslim
The Book Giving Description of the Day of Judgement, Paradise and Hell (Kitab Sifat Al-Qiyamah wal Janna wan-Nar)
Book Number: 039 / Hadith Number: 6764
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: None amongst you can get. into Paradise by virtue of his deeds alone. They said: Allah's Messenger, not even you? Thereupon he said: Not even I, but that Allah should wrap me in His Grace and Mercy.