I would say in one sentence my goal is to at least be part of the journey to find the unified theory that Einstein himself was really the first to look for.

Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.

Science is the process that takes us from confusion to understanding.

When kids look up to great scientists the way they do to great musicians and actors, civilization will jump to the next level

Exploring the unknown requires tolerating uncertainty.

We're on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions.

Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perceptions and understand the external world.

I was holding [my four-year-old daughter] and I said, 'Sophia, I love you more than anything in the universe.' And she turned to me and said, 'Daddy, universe or multiverse?'

Free will is the sensation of making a choice. The sensation is real, but the choice seems illusory. Laws of physics determine the future.

All you are is a bag of particles acting out the laws of physics. That to me is pretty clear.

Physics grapples with the largest questions the universe presents. Where did the totality of reality come from? Did time have a beginning?

Education shows the path to the door of opportunity. It gives confidence and hope to open it.

If a negative viewer looks at you with an ugly fiendish eye, find a way and pluck off his eyes, or better still, protect your good image.

The gods were great, but what good was greatness if you didn't love?

You play for the team, you don't play for the fans.

As you know from the Italian expression, the fish stinks from the head down. What I can tell you two fish that don't stink, okay, and that's me and the President.

We have to be much tougher. We have to be much stronger than we've been.

I tend to read more nonfiction, really, because when I'm writing I don't like to read other fiction.

You can't let the past ruin your future.

When one has truly imbibed spiritual qualities, they will spontaneously be reflected in one's thoughts and actions.

At the back of it there lies the central citadel of obstinacy: I will not give up my right to myself--the thing God intends you to give up if ever you are going to be a disciple of Jesus Christ.