You can’t say A is made of B or vice versa. All mass is interaction.

I am a successful lecturer in physics for popular audiences. The real entertainment gimmick is the excitement, drama and mystery of the subject matter. People love to learn something, they are 'entertained' enormously by being allowed to understand a little bit of something they never understood before. One must have faith in the subject and in people's interest in it.

Outside of their particular area of expertise scientists are just as dumb as the next person.

It turns out that all life is interconnected with all other life.

Mathematics is a language plus reasoning. It's like a language plus logic. Mathematics is a tool for reasoning.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

There are 10^11 stars in the galaxy. That used to be a huge number. But it's only a hundred billion. It's less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.