We're an elective democracy where science and technology will define where the economically strong countries in the world will be. And science and technological literacy is important for security, as well.

When everyone agrees to a single solution and a single plan, there's nothing more efficient in the world than an efficient democracy.

Give a kid a book, and you change the world. In a way, even the universe.

There are street artists. Street musicians. Street actors. But there are no street physicists. A little known secret is that a physicist is one of the most employable people in the marketplace - a physicist is a trained problem solver.

After all, what nobler thought can one cherish than that the universe lives within us all?

If you find life on Europa [Jupiter's moon], like, what would you call it? Would it be, like, Europeans?

Space enthusiasts are the most susceptible demographic to delusion that I have ever seen.