When general relativity was first put forward in 1915, the math was very unfamiliar to most physicists. Now we teach general relativity to advanced high school students.

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's going to win all the time. On the highway of life you can't always be in the fast lane.

I just thought that was the most noble contribution you could make to human kind, was to be a teacher.

...if anyone who speaks up to criticise something obviously evil is punished merely for speaking, civilisation will be in a bad way.

Your billion-dollar ideas don't show up in the middle of dramatic distraction. They show up when you have the business and personal discipline to make space for your creative mind to flourish.

Gianfranco Zola once sent Gary Pallister the wrong way to such an extent that he needed a ticket to get back in.

Look ... first and foremost, I'm a scientist. That means it's my responsibility to make observations and gather evidence before forming a hypothesis, not vice versa.

I don't necessarily write everything as automatically assuming it will be collected, there's nothing that says Hitman will be collected, though it might be.

Entrepreneurs must love what they do to such a degree that doing it is worth sacrifice and, at times, pain. But doing anything else, we think, would be unimaginable.

After a moment the king said, "So be it." Zsadist cursed. Butch whistled low. Rhage bit into a Tootsie Pop.

All of the heroes you see falling down were filmed trying to stand up.