Apophthegms of Physics

Hertz: “Maxwell’s theory is Maxwell’s system of equations.”
By itself, this is a witty, eminently quotable, and meaningless comment.

-- Abraham Pais, Subtle is the Lord (1982), p. 119

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There may be such a thing as habitual luck.  It is like hidden parameters in physics.

-- Stanislaw Ulam, Adventures of a Mathematician (1976), p. 119

Or as Yogi Berra once put it:  That is too much of a coincidence to be coincidental.