In the second part of Tim Keller's look at the elder brother in the Parable of the Prodigal Son (Luke 15:11-32) he examines signs of moralism - great for self examination!
Why doesn't the Gospel Change Me?
In the first part of Tim Keller's look at the elder brother in the Parable of the Prodigal Son (Luke 15:11-32) he asks why some Christians go astray in understanding the Gospel.
What's the difference between the Gospel and Religion
Tim Keller gives a simple explanation for why the Gospel is different to a religion that requires obedience to earn favour with God.