More quotes by Mark Twain

"Education: that which reveals to the wise, and conceals from the stupid, the vast limits of their knowledge."
"A lie can travel half way around the world while the truth is putting on its shoes."
"One should never use exclamation points in writing. It is like laughing at your own joke."
"Familiarity breeds contempt and children."
"If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man."