Sahih Muslim
The Book of Virtue, Good Manners and Joining of the Ties of Relationship (Kitab Al-Birr was-Salat-I-wal-Adab)
Book Number: 032 / Hadith Number: 6221
Abu Huraira reported Allah's Messenger (may peace be upqn him) as saying: Verily Allah does not look to your faces and your wealth but He looks to your heart and to your deeds.