Famous quotes containing the words essential and/or evidence:
“Physics investigates the essential nature of the world, and biology describes a local bump. Psychology, human psychology, describes a bump on the bump.”
—Willard Van Orman Quine (b. 1908)
“Yet in spite of all they sang in praise of their “Eliza’s reign,” we have evidence that poets may be born and sing in our day, in the presidency of James K. Polk.”
—Henry David Thoreau (1817–1862)