A witty saying proves nothing.
Voltaire
Edit: All right, then, here’s another one:
Never underestimate the power of human stupidity.
Robert Heinlein
“It is unbecoming for young men to utter maxims.”
--Aristotle
Repeat.
Voltaire
Edit: All right, then, here’s another one:
Robert Heinlein
--Aristotle
Repeat.