Famous quotes containing the words source and/or tree:
“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)
“Probability but no truth, facility but no freedom—it is owing to these two fruits that the tree of knowledge cannot be confused with the tree of life.”
—Friedrich Nietzsche (1844–1900)