I think therefore I am.

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?

Perhaps, in a few people, I have seen what can be described as a struggle with death, and it can be distressing to behold. But for the vast majority of people death is gentle, tender.

People always say that pregnant women have a glow. And I say it's because you're sweating to death.

Man goes nowhere, everything comes to man like tomorrow.

That's the reason I left the networks. I wanted to write and report and coanchor.

There is a safe spot within every tornado. My job is to find it.

I imagine a future aircraft, which will take off vertically, fly as usual, and land vertically. This flying machine should have no moving parts. This idea came from the huge power of cyclones.

If you're doing something that people want, they'll find you.

Part-black generally means all-black in Americans' minds. Just as part-Asian or part-Hispanic or part-anything-else usually puts individuals in those minority-groups' camps.

I'm proud of the scars in my soul. They remind me that I have an intense life.

To note an artist's limitations is but to define his talent.