The degree of slowness is directly proportional to the intensity of memory. The degree of speed is directly proportional to the intensity of forgetting.

目标不是建得更多，而是建得更好。

The true delight is in the finding out rather than in the knowing.

书籍是最安静、最恒久的朋友；它们是最易接近、最明智的顾问，也是最耐心的老师。

想指挥乐队的人必须背对人群。