Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that. Hate multiplies hate, violence multiplies violence, and toughness multiplies toughness in a descending spiral of destruction. . . . The chain reaction of evil - hate begetting hate, wars producing more wars - must be broken, or we shall be plunged into the dark abyss of annihilation.
- Martin Luther King, Jr.

Peace is not an absence of war, it is a virtue, a state of mind, a…