Energy is the ultimate convertable currency..

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,….

The universe is incredibly wondrous, incredibly beautiful, and it fills me with a sense that there is some underlying explanation that we have yet to….

Understanding requires insight. Insight must be anchored..

I have long thought that anyone who does not regularly - or ever - gaze up and see the wonder and glory of a dark night sky filled with countless sta….

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

Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perception….

I like to think that Einstein would look at string theory’s journey and smile, enjoying the theory’s remarkable geometrical features while feeling ki….

According to inflation, the more than 100 billion galaxies, sparkling throughout space like heavenly diamonds, are nothing but quantum mechanics writ….

Einstein's theory of relativity does a fantastic job for explaining big things. Quantum mechanics is fantastic for the other end of the spectrum - fo….

Science is the greatest of all adventure stories, one that's been unfolding for thousands of years as we have sought to understand ourselves and our ….

Physicists have come to realize that mathematics, when used with sufficient care, is a proven pathway to truth..

In quantum mechanics there is A causing B. The equations do not stand outside that usual paradigm of physics. The real issue is that the kinds of thi….

I believe that through its rational evaluation of truth and indifference to personal belief, science transcends religious and political divisions and….

I like 'The Simpsons' quite a lot. I love the irreverent character of the whole show. It's great..

When you know the answer you want, it is often all too easy to figure out a way of getting it..

The main challenge that television presents is that I have a tendency to say things with a great deal of precision and accuracy. Often a description ….

I love it when real science finds a home in a fictional setting, where you take some real core idea of science and weave it through a fictional narra….

A watch worn by a particle of light would not tick at all. Light realizes the dreams of Ponce de Leon and the cosmetics industry: it doesn't age..

I'd say many features of string theory don't mesh with what we observe in everyday life..

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..