Pilots enjoy the fun and challenge of handling the fancy machine.

An unmarried adult who cannot navigate the welfare system has no choice but to work, but a married working parent is constantly evaluating the relative merits of staying home with the kids versus bringing home that second paycheck.

The real challenge of being a flight attendant is getting people out. The training requires that they demonstrate they can evacuate an aircraft within 90 seconds, but of course, a lot of stuff that is easy to do in training turns out to be tough in practice.

If I'd had more time or been a better writer, I would have tried to put the same ideas and experiences into a novel. But I didn't so I slapped it up on the Web.

And the more profoundly the science of biology reveals the laws of the life and development of living bodies, the more effective is the science of agronomy.

Whenever I found out anything remarkable, I have thought it my duty to put down my discovery on paper, so that all ingenious people might be informed thereof.

I reveled in political science and history of all kinds, and I felt for a long time that I had discovered all the secrets of life in psychology, although its Freudian variety left me cold. The id never made much sense to me.

We are doing everything we can to protect the food supply. And I can tell you that we're making decisions based upon sound science and good public policy, given the circumstances that we are now in.