The dignity of man is vindicated as much by the thinker and poet as by the statesman and soldier.

Behold the turtle. He makes progress only when he sticks his neck out.

Just like a turtle, we only make progress if we stick our neck out.

Behavior which appears superficially correct but is intrinsically corrupt always irritates those who see below the surface.

Education is what is left after all that has been learnt is forgotten.

... scientific research is compounded of ... empirical procedures, general speculative ideas, and mathematical or abstract reasoning.

Democracy is a small hard core of common agreement, surrounded by a rich variety of individual differences.

A Harvard education consists of what you learn at Harvard while you are not studying.

Science advances, not by the accumulation of new facts, but by the continuous development of new concepts.

Every vital organization owes its birth and life to an exciting and daring idea.

He who enters a university walks on hallowed ground.

Hunter Pence eats pizza with a fork.

Being a retired major looks like an ideal thing to me. What a pity you couldn't eternally have been just a retired major.

I am a very committed person when it comes to finding common ground.

Indeed, this epistemological theory of the relation between theory and experiment differs sharply from the epistemological theory of naive falsificationism.

A martial art that has no rules is nothing but violence.

I'm a tropical weather cruiser. I like surfing, you know. I like being on the beach.

Honesty without kindness, humor, and goodheartedness can be just mean.

It's OK to get angry with God. He can take it.

I'm gonna sing, and I'm going to make me a lot of money.

It is fear that is the cause of our woes, and it is fearlessness that brings heaven in a moment "The earth is enjoyed by heroes" - this is the unfailing truth.