They [scientists of centuries past] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations, however, God gets hardly a mention.

I dream of a world where the truth is what shapes people's politics, rather than politics shaping what people think is true.

Our entire universe emerged from a point smaller than a single atom. Space itself exploded in a cosmic fire, launching the expansion of the universe and giving birth to all the energy and all the matter we know today. I know that sounds crazy, but there’s strong observational evidence to support the Big Bang theory. And it includes the amount of helium in the cosmos and the glow of radio waves left over from the explosion.

Research in education has shown that we remember field trips long into adulthood. I remember visiting the post office in second grade and looking at the sorting machine. I have vivid memories of that, when I don't even remember the name of the teacher who took me.

The very nature of science is discoveries, and the best of those discoveries are the ones you don't expect.

In the end, it's the people who are curious who change the world.

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.