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.

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.

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.

A genius is a man who has two great ideas.

Beautiful women are always drawn to men they think will keep them beautiful.

What are words without the melody?

. . .where there is no more hope, song remains.

Your best creative assets do not occur unless you do a mental shift. You have to be in a positive frame of mind because inspiration is fleeting. I walk to work for inspiration and to clear my mind.

Music is so powerful to me. I had my IPod and headphones, and my sad playlist. I kind of ventured off for just a little bit to get into the scene.

You can't start motoring up life's road until you get your buns in gear.

...the more a person becomes spiritually minded or advances towards God, the more tolerant he becomes and the less differentiation he sees.

The most difficult part for me is feeling connected to the people that I love but always being on the go to different places.

My dad sold encyclopedias and my mom worked in a factory office.

On that show, I did country and some rock, too, whatever record I had out at the time, I'd sing that.