Science is the acceptance of what works and the rejection of what does not. That needs more courage than we might think.

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.

There is no water, so things are bad. If there were water, it would be better. But there is no water.

Take the chance! You can!

There are no heroes and there are no villains. There are just opposing points of view. That's all history is...the viciously long battle between world views.

A mistake is not a failure but evidence that someone tried to do something.

I like to read away as much of the afternoon as possible, until real life rears its ugly head.

Until you are willing to accept total and complete responsibility for every aspect of your life, your life will keep sending you experiences designed to get your attention.

All problems in computer graphics can be solved with a matrix inversion.

The term 'genius' is inapplicable to anyone in this game. A genius is Norman Einstein.

The idea of redemption is always good news, even if it means sacrifice or some difficult times.

I'm not easily offended. I have a pretty high tolerance for raunchiness or shock value, so I'm the wrong person to use as a gauge.