恐惧不会让你崩溃，它会让你清醒。

一个意识到自己纯净的心灵不会执着于任何事物，既不执着于肉体也不执着于灵魂。

The eyes which are the windows of the soul.

邪恶胜利的唯一必要条件是好人无所作为。

Randomized evaluations can help us understand what works and what doesn't in development.

Operational effectiveness and strategy are both essential to superior performance, which, after all, is the primary goal of any enterprise.