"Children are the best critics because they are honest and direct."

The city is a collective work of art.

反馈的研究就是自我调节系统的研究。

教育的最大的秘诀是：使身体锻炼和思想锻炼互相调剂。

You get what you give. What you put into things is what you get out of them.

人尽皆知的真理是，一个财富殷实的单身汉，必定在寻找妻子。