总是为最坏的情况做计划，同时期待最好的结果。

Leadership is about making tough decisions today that will benefit everyone tomorrow.

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

The environment shapes behavior through the mechanism of reinforcement.

The web is a way of connecting people in a meaningful way, a way that was not possible before.

Gender gaps in pay and employment are not just about discrimination; they reflect deeper societal structures and choices.