. . . if variations useful to any organic being do occur, assuredly individuals thus characterized will have the best chance of being perserved in the struggle for life; and from the strong principle of inheritance they will tend to produce offsping similarly characterized. This principle of preservation, I have called, for the sake of brevity, Natural Selection.
I always say that when I'm playing well, no one can beat me. I'm not just saying that to sound full of myself or anything, but it's true.