One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.

I have never been impressed by the formal schools of ethics.

My old man taught me two things: 'Mind own business' and 'Always cut cards.'

You don’t pay back, you pay forward.

More people worry themselves to death than bleed to death.

People who go broke in a big way never miss any meals. It is the poor jerk who is shy a half slug who must tighten his belt.

At least once every human should have to run for his life, to teach him that milk does not come from supermarkets, that safety does not come from policemen, that 'news' is not something that happens to other people. He might learn how his ancestors lived and that he himself is no different--in the crunch his life depends on his agility, alertness, and personal resourcefulness.