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.)