Man is a singular creature. He has a set of gifts which make him unique among the animals, so that unlike them, he is not a figure in the landscape, he is the shaper of the landscape.

It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.

No science is immune to the infection of politics and the corruption of power.

Ask an impertinent question and you are on the way to the pertinent answer.

Man is unique not because he does science, and his is unique not because he does art, but because science and art equally are expressions of his marvelous plasticity of mind.

Knowledge is an unending adventure at the edge of uncertainty.

The hand is the cutting edge of the mind.

We have to understand that the world can only be grasped by action, not by contemplation. The hand is more important than the eye ... The hand is the cutting edge of the mind.

Man masters nature not by force, but by understanding

Dissent is the mark of freedom.

One aim of physical sciences had been to give an exact picture the material world. One achievement of physics in the twentieth century has been to prove that that aim is unattainable.

It's strange because sometimes, I read a book, and I think I am the people in the book. Also, when I write letters, I spend the next two days thinking about what I figured out in my letters.

Universe doesn't even know that you exist, so relax!

Passion produces the best discipline.

A Dandy does nothing.

You are in the perfect position to get there from here.

The night is given to us to take breath, to pray, to drink deep at the fountain of power.

Are you worried about pressure? I look at it this way: Pressure is having to do something you are not totally prepared to do.

Murdering someone would surely prove that you are capable of killing, but it wouldn't be the most reasonable way to understand why you shouldn't do it.

Let us not forget this word: God never ever tires of forgiving us!

Don't freak yourself out by what other people have. They don't have what you've got.