Famous quotes containing the words principal and/or series:
“God should not be called an individual substance, since the principal of individuation is matter.”
—Thomas Aquinas (c. 1225–1274)
“In the order of literature, as in others, there is no act that is not the coronation of an infinite series of causes and the source of an infinite series of effects.”
—Jorge Luis Borges (1899–1986)