god does not forgive that compeers be ascribed to him though he may forgive aught else if he please. and he who ascribes compeers to god is guilty of the gravest sin.
إن الله لا يغفر أن يشرك به ويغفر ما دون ذلك لمن يشاء ومن يشرك بالله فقد افترى إثما عظيما