"Do not doubt him who tells you he is afraid, but be afraid of him who tells you he has no doubts."

"I fear that, eventually, we are all going to become collateral damage in the war on drugs, or terrorism, or whatever war is in vogue at the moment."

"Such obscenities as the forthcoming trial of the Tennessee evolutionist, if they serve no other purpose, at least call attention dramatically to the fact that enlightenment, among mankind, is very nar…"

"Never call yourself a philosopher, nor talk a great deal among the unlearned about theorems, but act conformably to them. Thus, at an entertainment, don't talk how persons ought to eat, but eat as you…"

"If you have any doubt about the degree with which this is self-defense, just look at those pictures from September 11th."