Man masters nature not by force, but by understanding

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.

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.

A genius is a man who has two great ideas.

Be the master of your life.

It's the ride of life the journey from here to there living and loving every moment like we have none to spare.

Eternity: the length of a life.

I believe that inside every tool is a hammer.

The mainstream is always under attack.

But as the cerebellum degrades with age, so does the quality of memories. The memories are there, but they're not as good.

I say, I believe, that one must love with all of one's being.

Green makes me think of silence, or maybe it's loneliness. I get the feeling of a terribly distant star.

I have brothers, and that so-called boyish quality was something that I was deathly self-conscious about when I was younger.

The fact that the Church is convinced of not having the right to confer priestly ordination on women, is now considered by some as irreconcilable with the European Constitution.