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)
“The act of birth is the first experience of anxiety, and thus the source and prototype of the affect of anxiety.”
—Sigmund Freud (1856–1939)