“That is Allaah, your Lord; there is no deity except Him, the Creator of all things.  So worship Him, and make your worship exclusively for Him.”

     Quraan, 6:102

"Allah the Almighty has said: 'O son of Adam, so long as you call upon Me, and hope in Me, I shall forgive you for what you have done, and I shall not mind. O son of Adam, were your sins to reach the clouds in the sky and were you then to ask forgiveness of Me, I shall forgive you. O son of Adam, were you to come to Me with an earthful of sins and were you then to face Me, without having associated anything with Me, I shall grant you an earthful of pardon.'"

     At-Tirmithi