Famous quotes containing the words mass and/or source:
“There are no fixtures in nature. The universe is fluid and volatile. Permanence is but a word of degrees. Our globe seen by God is a transparent law, not a mass of facts. The law dissolves the fact and holds it fluid.”
—Ralph Waldo Emerson (1803–1882)
“Concupiscence and force are the source of all our actions; concupiscence causes voluntary actions, force involuntary ones.”
—Blaise Pascal (1623–1662)