A Knock at Midnight.

“The first principle of value that we need to rediscover is this: that all reality hinges on moral foundations. In other words, that this is a moral universe, and that there are moral laws of the universe just as abiding as the physical laws. (from "Rediscovering Lost Values")” ― Martin Luther King Jr., A Knock at Midnight: Inspiration from the Great Sermons of Reverend Martin Luther King, Jr.