Keller variously attributed his inspiration for talking more about idolatry than the more common explanation of sin as offending God by breaking his laws. He credited Augustine’s “disordered loves” in Confessions, which reveals the enslaving power of passions not rooted in God.29 Former Augustinian monk Martin Luther appeared more often in Keller’s early Redeemer sermons than anyone else except Jonathan Edwards.30 Luther said that no one breaks the commandments against murder or theft or covetousness without first breaking the commandment against idolatry.31 The uneasy Lutheran Søren
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