“What we think, or what we know, or what we believe is, in the end, of little consequence. The only consequence is what we do.”

“He who asks is a fool for five minutes, but he who does not ask remains a fool forever.”

“Our scientific power has outrun our spiritual power. We have guided missiles and misguided men.”

“My theory is that if you look confident you can pull off anything – even if you have no clue what you’re doing.”

“The world tolerates conceit from those who are successful, but not from anybody else.”

“A good many young writers make the mistake of enclosing a stamped, self-addressed envelope, big enough for the manuscript to come back in. This is too much of a temptation to the editor.”

“School is learning things you don’t want to know, surrounded by people you wish you didn’t know, while working toward a future you don’t know will ever come.”

“Don’t ever take a fence down until you know the reason it was put up.”

“Man is the only animal that can remain on friendly terms with the victims he intends to eat until he eats them.”

“When a thing ceases to be a subject of controversy, it ceases to be a subject of interest.”