Once we are self-aware, we must choose purposes and principles to live by; otherwise the vacuum will be filled, and we will lose our self-awareness and become like groveling animals who live primarily for survival and propagation. People who exist on that level aren't living; they are being lived. They are reacting, unaware of the unique endowments that lie dormant and undeveloped within.

Daily Reflections for Highly Effective People (ed. Simon and Schuster, 1994) - ISBN: 9780671887179