I believe the process of going from confusion to understanding is a precious, even emotional, experience that can be the foundation of self-confidence.

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?

Stay hopeful.

And by the way, if she constantly leaving you messages that she's in another castle...she's just not that into you. Move on.

Things are beautiful if you love them.

Never lose sight of the fact that the most important yardstick of your success will be how you treat other people - your family, friends, and coworkers, and even strangers you meet along the way.

I like the idea of being the funny guy in the dramatic thing, playing a hit man with a weird sense of humor.

Helen Keller was blind and deaf when she graduated from college with honors. So what's your problem?

If you have talent, you will receive some measure of success - but only if you persist.

When we perfect 3-D copiers and they reproduce tissue, we'll have a million Marilyns walking around with no souls.

I remember once a vocational director said to Fang, "You must develop some mechanical skills - like getting out of bed."

Marriage is the perfection which love aimed at, ignorant of what it sought.