I agree, along with Carl Sagan, that we should eventually become a two planet species. Life is too precious to place on a single planet.

All kids are born geniuses, but are crushed by society.

What is the universe? The universe is a symphony of vibrating strings...we are nothing but melodies. We are nothing but cosmic music played out on vibrating strings and membranes.

The human brain has 100 billion neurons, each neuron connected to 10 thousand other neurons. Sitting on your shoulders is the most complicated object in the known universe.

If you could meet your grandkids as elderly citizens in the year 2100 … you would view them as being, basically, Greek gods… that's where we're headed.

It's pointless to have a nice clean desk, because it means you're not doing anything.

Music is the voice of God traveling through ten-dimensional hyperspace.

What do oil company executives, vampires and NASA bureaucrats all have in common? They fear solar energy.

Common sense has no place in Quantum Mechanics.

I believe we exist in a multiverse of universes.

We have the media, which is such a waste in the sense that you can actually feel your IQ get lower as you watch TV.

Hate is a cancer on one’s soul.

He’d valued his dignity more than his own life.

God leaves to our conscience the choice of the road we decide to follow, and the liberty of yielding to one or another of the opposing influences that act upon us.

I quickly learned that if I kept at it and plowed right through the rejections I would eventually get somebody to buy my wares.

Scenery is here. Wish you were beautiful.

The truly free man is he who can decline a dinner invitation without giving an excuse.

Dad and mom would have preferred that I be a doctor, a lawyer, a scientist, or a great humanitarian.

There definitely is that element of guys who like to party and have a good time and... putting off for as long as possible the idea that they'll actually have to settle down

Growth creates complexity, which requires simplicity.

Try a little tenderness.