对心灵的研究就是对生活问题解决的研究。
The study of mind is the study of life's problem-solving.
每一个数学定理都是一个等待被讲述的故事,一个等待被解开的谜团。
The division of labour, so far as it can be introduced, occasions, in every art, a proportionable increase of the productive powers of labour.
一个阅读的孩子永远不会感到无聊。