He is one of those people who would be enormously improved by death. (H. H. Munro (Saki))

Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity. (Martin Luther King Jr.)

There is more stupidity than hydrogen in the universe, and it has a longer shelf life. (Frank Zappa)

Try to learn something about everything and everything about something. (Thomas Henry Huxley)