"If by sticking to the moral principles you have followed all your life, you jeopardize your happiness and that of others, throw over your principles. Principles for principles' sake -that is not wisdom; that is obstinacy. Principles should be fluid because life is fluid."

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There's no evidence whatsoever that Darwin had anything useful to say or anything to say period about how life began or how the universe began or how gravity began or how physics began or fluid motion or how thermodynamics began. He had nothing to say about that whatsoever.

— Ben Stein