One of the questions Paul addresses in Corinthians is, 'What are the marks of a changed heart?' He's not after some superficial outward tinkering, but instead a deep-rooted, life-altering change that takes place on the inside. In this short, punchy book, best-selling author Timothy Keller shows that gospel-humility means we can stop connecting every experience, every conversation with ourselves and can thus be free from self-condemnation.