Silence is sometimes more powerful than words.
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.
The world is full of people who have never, since childhood, met an open doorway with an open heart.
世界上充满了自童年以来从未以开放的心态迎接开放门道的人。
最崇高的行为是将他人置于自己之前。
统计学领域不仅是分析数据的工具，也是一种思考世界的方式。
Hunger and poverty are the root causes of much of the world's unrest and misery.