If all you have is a hammer, everything looks like a nail.

Let us not be deceived we are today in the midst of a cold war.

Everyone is entitled to be wrong about their opinions, but no one has the right to be wrong about their facts.

Only as you do know yourself can your brain serve you as a sharp and efficient tool. Know your own failings, passions, and prejudices so you can separate them from what you see.

Behind the black portent of the new atomic age lies a hope which, seized upon with faith, can work out salvation... Let us not deceive ourselves: we must elect world peace or world destruction.

Our problem in money-making or government affairs is how to remain properly venturesome and experimental without making fools of ourselves.

Chance sometimes opens the door, but luck belongs to the good players.