Proof is an idol before whom the pure mathematician tortures himself. – Arthur Stanley Eddington, The Nature of the Physical World

Anyone who cannot cope with mathematics is not fully human. At best he is a tolerable subhuman who has learned to wear shoes, bathe, and not make messes in the house. – Robert Heinlein, Time Enough for Love

You may be an engineer if your idea of good interpersonal communication means getting the decimal point in the right place. – Author Unknown