幽默是一种处理世界的方式，一种应对世界的方式，一种理解世界的方式。

Free vaccines are more valuable than expensive treatments, yet harder to promote.

"The true essence of a story is not in its plot, but in the emotions it evokes."

The boundaries of our knowledge are the frontiers of our imagination.

最成功的经营是那些动物茁壮成长、土地繁荣、人们兴旺的地方。