Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor.

Time can behave like another direction in space under extreme conditions.

Intelligence is the ability to adapt to change.

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.

The thing about smart people is that they seem like crazy people to dumb people.

It is all right to make mistakes; nothing is perfect because with perfection, we would not exist.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

People won't have time for you if you are always angry or complaining.

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

It is very important for young people keep their sense of wonder and keep asking why.

The development of full artificial intelligence could spell the end of the human race.

Life is what happens to us while we are making other plans.

The world is not interested in titles and positions, all it wants is your creative mind and the genuinity of the work your hands.

The boundary to what we can accept is the boundary to our freedom.

These two Joes—the nasty bully and the starry-eyed dreamer—were my father. Growing up, the difficulty was knowing just which Joe would rise with the sun that day.

Husband and wife are like a pair of scissors, joined together for life but always moving in opposite directions. If anyone comes in between, they join together and cut them off.

I want you to give all these chiefs of the soldiers here to understand that we are for peace, and that we have made peace, that we may not be mistaken by them for enemies.

I'd actually love to think that I could trust Kerry on national security. But the only way I could do that, at this point, would be via self-delusion.

I try to be accommodating, but I'm pretty much a loner.

I'm excited that I get to do what I love, and I'm benefiting through projects that speak to me.