When the going gets tough, the tough take a coffee break.

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.

A pessimist sees the darkness around the light, but an optimist looks for the light in the darkness.

Only I don't close my eyes these days, because it hurts too much when I open them.

Getting too interested in the English way of life won't help you land a permanent job.

Being a pioneering reformer is all fine and good, but it does leave one terribly in want of agood party!

The goodness of your true pun is in the direct ratio of its intolerability.

The die is now cast; the colonies must either submit or triumph.... we must not retreat.

Everybody had to be thoroughly understood before being accepted.

in general, I feel most comfortable between known quantities.

Art is what we do when we're truly alive.

American imperialism has always been the imperialism that has been frightened of speaking its name. Now it's beginning to do so. In a way, it's better. We know where we kneel.