I'm a child myself, in the sense that I'm still looking. Children are fascinated by black holes and ask me questions. I find they soon get the idea if it is explained in nontechnical language.

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.

Every artist has thousands of bad drawings in them and the only way to get rid of them is to draw them out.

But you know how it is with fathers and sons. We can’t say what we want to say. We think a nod is a paragraph and a sentence is a book, and, in the end, all that’s important is left unspoken.

it feels nice to know about things and about oneself.

No one ever made more trouble than gentle Jesus meek and mild.

In moderating, not satisfying desires, lies peace.

The Universe, so far as we can observe it, is a wonderful and immense engine; its extent, its order, its beauty, its cruelty, makes it alike impressive.

I'm sure there's a right way and there's a wrong way. The bottom line is you have to do what you think is right.

American political opportunities are loaded against those who are simultaneously intelligent and honest.

One of the reasons I think Barack Obama had the policy he did was purposely to create this flood of refugees from Syria. He wanted them!

As a part of the NFL, things change every year.