Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.

真正的领导力在于服务他人，而非指挥他们。

领导力是赋予他人实现他们认为不可能的事情的能力。

采撷花瓣得不著花的美丽。

The joy of discovery in mathematics is unparalleled.

There is one god, greatest among gods and men, in no way similar to mortals either in body or in thought.