I always looked at myself as a physicist learning new tricks by looking at nature.

I was always fascinated by how things work and learning about them.

One simply runs out of energy as you get old. One doesn't take on new tasks of exploration because it takes an extended period of intense thinking and working on it, and that becomes impractical.

The sun is the primary puzzle in the universe.

The value of beauty and inspiration is very much underrated, no question. But I want to be clear: I'm not trying to be anyone's savior. I'm just trying to think about the future and not be sad.

I know I need to exercise. For some people, exercise is like breathing; for others, like me, it takes effort. Exercising is what I need for my metabolism and for a better sense of well-being.

I lost my mom to cancer when I was a kid.

I'm extremely self-critical. Although I try not to be ridiculous about it, wearing horsehair shirts and all that. It's a private exercise I don't necessarily share with other people.