There have only been about a half dozen genuinely important events in the four-billion-year saga of life on Earth: single-celled life, multicelled life, differentiation into plants and animals, movement of animals from water to land, and the advent of mammals and consciousness. Elon Musk
If our squawking pacifists were rational, they would perceive that war can be ended only by abolishing the several species of mammals called human; our spacecraft have shown us that Mars and Venus are perfectly warless worlds. Revilo P. Oliver