To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.

解释：帮助困难的人毫不倦怠，追求善行从不满足。

儿童文学应该被认真对待，因为它塑造了年轻的思想。

The method of psychology must be as exact as that of the physical sciences.

I don’t let other people define who I am.