Students who are interested in learning about the environment should not be dissuaded from doing so, but only if they have proved their proficiency in other basic courses, such as U.S. history. Until then, we need to focus on producing well-educated citizens steeped in their country's history and mindful of their civic responsibilities.

If succeeding generations of Americans don't understand the concepts of justice, individual rights, free enterprise, capitalism, sovereignty or national security, there can be no guarantee that those concepts - or others like them - will continue.

If I can't affect some change in six years, maybe I'm in the wrong place.

Securing freedom has been a singular commitment of American presidents and patriots in and out of government for generations. But its perpetual continuation is not guaranteed.

I love cities, and I love city governments in particular. But in politics it would have taken me 8 years from implementing a policy before I would get to see the feedback. With programming I could model the same policies and see the impact immediately. Technology is a far more efficient way to test.

I got so passionate about technology. Hacking to me was like a video game. It was about getting trophies. I just kept going on and on, despite all the trouble I was getting into, because I was hooked.

I have said democracy and freedom do not work too well if you are hungry, if you are starving.

Listen, we all have to agree that there is too much litigation going on in this world. But every year it seems to multiply tenfold. Why can't we stop it? Well, it's because the lawmakers in Congress and the Senate are almost all lawyers, too!