Famous quotes containing the words exertion and/or physical:
“Knowledge is not a passion from without the mind, but an active exertion of the inward strength, vigour and power of the mind, displaying itself from within.”
—Ralph J. Cudworth (1617–1688)
“Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.”
—Blaise Pascal (1623–1662)