A man doesn't begin to attain wisdom until he recognizes he is no longer indispensable.
—Richard E. ByrdThe doorstep to the temple of wisdom is a knowledge of our own ignorance.
—Benjamin FranklinKnowing others is intelligence; knowing yourself is true wisdom. Mastering others is strength; mastering yourself is true power. If you realize that you have enough, you are truly rich.
—Tao Te ChingHe that never changes his opinions, never corrects his mistakes, will never be wiser on the morrow than he is today.
—Tryon Edwards