I think the universe was spontaneously created out of nothing, according to the laws of science. It has no beginning and no end.

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.

I hear you in the morning sun.

Artists must be sacrificed to their art. Like bees they must put their lives into the sting they give.

I guess I'm pretty much of a lone wolf. I don't say I don't like people at all, but, to tell you the truth, I only like it then if I have a chance to look deep into their hearts and their minds.

In human history there has been a continuous and growing impulse toward the regeneration and transformation of humanity.

Certainly my parents were Dr. [Benjamin] Spock-driven parents. So they were tolerant.

Superficial similarities exist between Christianity and some ancient pagan religions. But careful study reveals that there are far more dissimilarities.

No man can tell another his faults so as to benefit him, unless he loves him.

I started a PhD in English at the University of Chicago because I loved poetry-which I now realize is like saying I studied vivisection because I loved dogs.

I like a lot of soul, but I also put a lot of folk into what I do.

We travel as seekers after answers we cannot find at home, and soon find that a change of climate is easier than a change of heart.