A sufficiently intelligent being will look about her, solve all questions, then cease activity. - Larry Niven

4) Giving up freedom for security has begun to look naive. Even to me. Many of you were ahead of me on this — Three out of four hijacked airplanes destroyed the World Trade Center and a piece of the Pentagon in 2001. How is it possible that those planes were taken using only five perps armed with knives? It was possible because all those hundreds of passengers had been carefully stripped of every possible weapon. We may want to reconsider this approach. It doesn't work in high schools either.

It takes a lot of people to hold civilization together; some of us are only here to ask the right questions.

That’s the only part that bugs me about this. It’s so empty out there.” “True. On the other hand, if the Sun blows up we’ll be in an unrivaled position to say, ‘What was that?’” “Oh,