The idea that the universe is running down comes from a simple observation about machines. Every machine consumes more energy than it renders.

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.

Whatever satisfies the soul is truth.

Tiny acts of kindness can have BIG results.

Love is the most beautiful thing that can happen to someone. No one can explain that feeling and desires engrossing a person preparing to give their heart to someone.

It's been crazy trying to tour with a baby. But it's actually working out okay.

My mother once told me she thought hell would be nothing more than being given a glimpse of God--then having it taken away, forever.

What is so remarkable about the success of affirmative action is that it has been accomplished despite the Justice Department and the policies of the federal government.

And the Lord God prepared a plant and made it come up over Jonah, that it might be shade for his head to deliver him from his misery. So Jonah was very grateful for the plant.

History is the chronicle of divorces between creed and deed.

I alwyas want to try and create new looks and new things, but equally scary, hopefully. But a new kind of style.

My family actually lived in the same village for about 400 years. They had great stability until the last century. People lived and intermarried in small villages.