I was convinced that our beliefs are based much more on custom and example than on any certain knowledge.

We do not describe the world we see, we see the world we can describe.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

De omnibus dubitandum

Divide each difficulty into as many parts as is feasible and necessary to resolve it.

Conquer yourself rather than the world.

The reading of all good books is like a conversation with the finest minds of past centuries.

The chief cause of human errors is to be found in the prejudices picked up in childhood.

Doubt is the origin of wisdom

The only thing we have power over in the universe is our own thoughts.

How can you be certain that your whole life is not a dream?

Choose a firm cloud before it fall, and in it Catch, ere she change, the Cynthia of this minute.

Every year I make a plan. I do it. It will be done.

Look guys, if you're just going to stare at me, I'm going to bed!

Thanksgiving is the day you don't know if you're invited for dinner or an intervention either way is going to be an ambush.

I myself find it hard to accept the notion of self-creation from nothing, even given unrestricted chance.

I am proud to be an American, and proud that such beliefs are at the core of our country and its citizens.

I don't like hypocrisy-even in international relations.

The number one quality is charisma. You have to be able to connect with the audience. That is that magic "it" factor that designates a star from someone who is just never going to be a star.

A nation has honor precisely as it has fleas - on this or that body. The statesman who talks of honor - unless he means something else, quite different - is a rogue.

I wanted to live with the ****ing manta rays, but they banned me from Sea World.