The time which we have at our disposal every day is elastic; the passions that we feel expand it, those that we inspire contract it; and habit fills up what remains.

我喜欢把数学看作一种诗歌。

领导力是赋能他人，让他们看到自己可能尚未意识到的潜力。

预测未来的最好方法就是创造未来。

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.