Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering.

The limits of the possible can only be defined by going beyond them into the impossible.

I don't believe in astrology; I'm a Sagittarius and we're skeptical.

The only way to define your limits is by going beyond them.

The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

The moon is the first milestone on the road to the stars.

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

Any sufficiently advanced technology is indistinguishable from magic.

There is hopeful symbolism in the fact that flags do not wave in a vacuum.

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

Until we get rid of religion, we won't be able to conduct the search for God.

That is all very senseless, but this senselessness has a pretty mouth, and it smiles.

No one is a doer in this world. To claim, ‘I am doing’ is egoism. Illusion continues to prevail under the umbrella of egoism.

No one ever was the poorer for giving

Sandler's always good. Tom Hanks gave me some good advice.

It is a shameful thing to be weary of inquiry when what we search for is excellent.

What is the point of it all? Not leaving legacies. But being ripe. Being ripe.

You can work really hard, but if you're not training in the right way you're not going to improve and get to the level that you want to.

At school, nobody thought I was smart and I became smart. Nobody wanted to be my friend and then I had lots of friends.

You are confusing plumbing and love again.

Don't expect others to do your work for you.