Proposition True

Famous quotes containing the words proposition and/or true:

    Whenever a man acts purposively, he acts under a belief in some experimental phenomenon. Consequently, the sum of the experimental phenomena that a proposition implies makes up its entire bearing upon human conduct.
    Charles Sanders Peirce (1839–1914)

    But this is a true saying among men: the gifts of enemies are no gifts and profitless.
    Sophocles (497–406/5 B.C.)