Sometimes you have to lose yourself to find yourself.

Freedom would be not to choose between black and white but to abjure such prescribed choices.

Simple things often evoke the strongest emotions.

The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.

最好的决策是结合数据和直觉做出的。

乐观对于有意义的生活是无价的。坚信未来是积极的，你就可以投身于比你更伟大的事业中。