在每一本书中，都有作者灵魂的一部分。

The spirit of man is more important than mere physical strength, and the spiritual spark in man can be fanned into flame.

The greatest glory in living lies not in never falling, but in rising every time we fall.

"Psychology must focus on the utility of mental operations."

大海不拒绝各种各样的水，所以才能成就它的博大；大山不拒绝形形色色的土石，所以才能成就它的高峻；贤明的君主不嫌弃百姓，所以能够聚集众多的臣民；读书人不厌倦学习，所以能达到圣贤的境界。