Television isn't inherently good or bad. You go to a bookstore, there are how many thousands of books, but how many of those do you want? Five? Television's the same way. If you're going to show people stuff, television is the way to go. Words and pictures show things.

Bicycling is a big part of the future. It has to be. There's something wrong with a society that drives a car to work out in a gym.

If you look back on all the teachers that you liked, I am sure you will find they were very entertaining.

That's what makes a human a human, if we store information outside our bodies.

Our goal in science is to discover universal laws of nature. If one's faith requires one to abandon or ignore natural laws, well, that person is going to have trouble reconciling religion and science. Otherwise, there is no any conflict.

NASA is an engine of innovation and inspiration as well as the world's premier space exploration agency, and we are well served by politicians working to keep it that way, instead of turning it into a mere jobs program, or worse, cutting its budget.

I like to regard myself as someone who's capable of critical thought, that is to say, who can evaluate claims.