We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

成功源于合作，而非竞争。

Environmental responsibility is no longer optional for our industry; it's a fundamental requirement for survival.

The success of a society depends on its ability to balance the demands of individual freedom with the need for social cohesion.

The best way to learn econometrics is by doing—working with real data and real problems.

If you're not making mistakes, you're not trying hard enough.

至今一切社会的历史都是阶级斗争的历史。