Knowledge is the distilled essence of our institutions, corroborated by experience.
Man's greatest blunder has been in trying to make peace with the skies instead of making peace with his neighbors
Let a man once see himself as others see him, and all enthusiasm vanishes from his heart.
All wages are based primarily on productive power. Anything else would be charity.
Optimism is a kind of heart stimulant - the digitalis of failure.
The greatest mistake you can make in life is continually fearing that you'll make one.