Theoretical Proof

Famous quotes containing the words theoretical and/or proof:

    The desire to serve the common good must without fail be a requisite of the soul, a necessity for personal happiness; if it issues not from there, but from theoretical or other considerations, it is not at all the same thing.
    Anton Pavlovich Chekhov (1860–1904)

    To cease to admire is a proof of deterioration.
    Charles Horton Cooley (1864–1929)