" Moral growth is a central idea in religion and law. The idea of repentance presupposes the possibility for moral growth. In law, “showing remorse” is a demonstration of moral growth and grounds for a reduced prison sentence. The idea of moral growth has long been associated more with liberal than with conservative politics. This comes out clearly in the politics of prisons. The concept of rehabilitation is based on the concept of moral growth. The idea is that if prisoners are treated humanely, taught useful skills, encouraged to get an education, allowed to earn furloughs, and provided with a job upon release, they will have a chance to grow morally and become useful citizens. Not that this is guaranteed, by any means. But if prisoners do grow morally, there is no reason to keep them in prison. T "

― George Lakoff , Moral Politics: How Liberals and Conservatives Think