Liberty means responsibility. That is why most men dread it.
过去是一个跟随你到任何地方的影子。
Mathematics is the art of giving the same name to different things.
每个故事都有一个开始、中间和结尾,但不一定按照这个顺序。
Always keep your knife sharp, your wits sharper, and your spirit sharpest.
The best way to predict the future is to create it.
世界上最伟大的教育就是观察大师们工作。