I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

The ultimate aim of the modern movement in biology is in fact to explain all biology in terms of physics and chemistry.

精神生活本质上是适应性的

心灵的纯洁是愿意一件事。

"The world is a stage, but the play is badly cast."

The most important thing about a technology is how it changes the way we live.

数学家的工作是在别人看到混乱的地方发现模式。