The universe can best be pictured as consisting of pure thought, the thought of what for want of a better word we must describe as a mathematical thinker.

The essential fact is that all the pictures which science now draws of nature, and which alone seem capable of according with observational facts, are mathematical pictures.

Put three grains of sand inside a vast cathedral, and the cathedral will be more closely packed with sand than space is with stars.

Science should leave off making pronouncements: the river of knowledge has too often turned back on itself.

To travel hopefully is better than to arrive.

...to many it is not knowledge but the quest for knowledge that gives greater interest to thought-to travel hopefully is better than to arrive.

All discussion of the ultimate nature of things must necessarily be barren unless we have some extraneous standards against which to compare them.

The human race, whose intelligence dates back only a single tick of the astronomical clock, could hardly hope to understand so soon what it all means.

The motion of the stars over our heads is as much an illusion as that of the cows, trees and churches that flash past the windows of our train.

Life exists in the universe only because the carbon atom possesses certain exceptional properties.

One must stand stiller than still. On reverse time travel.

Learning to let go should be learned before learning to get. Life should be touched, not strangled. You’ve got to relax, let it happen at times, and at others move forward with it.

My head’s swimming. Sorry, sis. I’m a useless brother. You’re best off shot of me. - Burt

I'm sick of following my dreams. I'm just going to ask them where they're goin', and hook up with them later.

Sometimes the way through someone's tough outer shell is to do something obvious, thoughtful and sweet.

Work all paled into the background as soon as I had a baby.

My wife fosters dogs, to try and give these lost puppies a chance to get adopted. I'm grateful to my wife for that, she brings that element to my family and my kids get to understand what that means.

Don't be prideful with any excellence that is not your own

Any government that chooses to be an ally of terror has also chosen to be an enemy of civilization.

I have not much interest in anyone's personal history after the tenth year, not even my own. Whatever one was going to be was all prepared before that.

If it's not impossible, you may as well try. If it is impossible, at least you'll find out why.