To tell you the truth, I've never met anybody who can envision more than three dimensions. There are some who claim they can, and maybe they can; it's hard to say.

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?

Nobody enjoys the company of others as intensely as someone who usually avoids the company of others.

Anyone having to do with medicine will have looked at Frank Netter's art work... I decided I would make him my model... getting my degree in medical illustration and then going on to medical school.

Why not exploit, enslave, or exterminate a class that everybody is taught to regard as inferior?

The sugar industry doesn't want to see more of the agricultural areas turned into storm-water treatment areas. Ultimately they want to develop that land for houses and a shopping center.

Magic is not about having a puzzle to solve. It's about creating a moment of awe and astonishment. And that can be a beautiful thing.

It is not possible to found a lasting power upon injustice, perjury, and treachery.

It's impossible to be loyal to your family, your friends, your country, and your principles, all at the same time.

How perilous it is to free a people who prefer slavery.

condoms are about as effective against AIDS as a twenty-four-chamber gun instead of a six-chamber gun when playing Russian roulette.

The oil and wine of merry meeting.