Famous quotes containing the words mass and/or source:
“There is a small steam engine in his brain which not only sets the cerebral mass in motion, but keeps the owner in hot water.”
—Unknown. New York Weekly Mirror (July 5, 1845)
“You have never by a word or a deed given me one moment’s uneasiness; on the contrary I have felt perpetual gratitude to heaven for having given me, in you, a source of so much pure and unmixed happiness.”
—Thomas Jefferson (1743–1826)