Love for God is genuine only when God is a means to nothing else but God. Righteous acts are righteous only when they are done out of a love for righteousness and not as a means to anything else.
The Qur’an is not an adoring, worshipping love letter about God. It is a guide for what behavior will increase your chances of avoiding hell and earning heaven… Islam never addresses the root of man’s sin, that we have substituted some other delight for the place in our hearts only God should have…
Righteousness is only pleasing to God when you do righteousness solely out of love for him and righteousness itself. Good deeds can be wicked in the eyes of God if done for the purpose of merit or as a means to an end. Of course, merit, salvation, and reward form the entire foundation on which Islam is built.
The gospel teaches that what we have lost is the love of God, and that God can only be restored to us by giving himself back to us freely in Christ. The gospel offers God back to us, at no cost to us. In light of the beauty of God that we see in the gospel, the love in our hearts for him will naturally grow. As 1 John 4:19 says, “We love Him because He first loved us.”
J.D. Greear, Breaking the Islam Code, 97