• As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.

    Richard P. Feynman: As you know, a theory in physics is not useful unless it is able to predict underlined effects which we would otherwise expect.
    Richard P. Feynman (2008). “Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman”, p.116, Hachette UK