Beware of the man who works hard to learn something, learns it, and finds himself no wiser than before... He is full of murderous resentment of people who are ignorant without having come by their ignorance the hard way.
-- Kurt Vonnegut AA

By the time I'd grown up, I naturally supposed that I'd be grown up.
-- Eve Babitz AA

The only way to discover the limits of the possible is to go beyond them into the impossible.
-- Arthur C. Clarke AA

Your theory is crazy, but it's not crazy enough to be true.
-- Niels Bohr AA