Psychology must be a science of description, not explanation.

跨行业合作是解决全球性挑战的关键。

Education is the great equalizer, but only if access to it is truly equal.

世界历史可以这样总结：强国总行不义。等到他们醒悟了，他们不已经不再强了。

Leadership is about making the tough decisions and standing by them, even when they're unpopular.