In the olden days, everybody sang. You were expected to sing as well as talk. It was a mark of the cultured man to sing.

If we knew exactly what to expect throughout the Solar System, we would have no reason to explore it.

I love argument, I love debate. I don't expect anyone just to sit there and agree with me, that's not their job.

Whoever conquers a free town and does not demolish it commits a great error and may expect to be ruined himself.