The great snare of thought is uncritical acceptance of irrational assumptions.

The greatest question of our time is not communism vs. individualism, not Europe vs. America, not even the East vs. the West; it is whether men can bear to live without God.

Inquiry is fatal to certainty.

Nature has never read the Declaration of Independence. It continues to make us unequal.

It may be true that you can't fool all the people all the time, but you can fool enough of them to rule a large country.

Those who have suffered much become very bitter or very gentle.

Progress is the increasing control of the environment by life.