If we sin, what should we expect from God? If we subsequently feel guilty and repent after doing something evil, God wants us to expect Him to be forgiving, forgiving, and more forgiving. However, there is one sin which God will not forgive: worshipping anything besides Him (unless the person realizes his or her error and returns to worshipping the One God),

"Verily God does not forgive the ascribing of divinity to anything beside Him, although He forgives any lesser sin to whomever He wills: for he who ascribes divinity to anything beside God has indeed contrived an awesome sin." [4:48]

"Say, `O you servants of Mine who have transgressed against your own selves! Despair not of God's Mercy: behold, God forgives all sins - for verily, He alone is much-forgiving, a dispenser of grace.'" [39:53]

Again, the most common phrase in the Final Book is "In the Name of God, the Most Merciful, the One who Acts Mercifully