The price of freedom is eternal vigilance.

Responsibilities gravitate to the person who can shoulder them;power to the man who knows how.

Freedom does not consist in any dreamt-of independence from natural laws, but in the knowledge of these laws, and in the possibility this gives of systematically making them work towards definite ends.

心理学是研究心理过程的科学。

这不是关于腿，而是关于心和思想。

【译文】 孔子说：“君子心怀仁德，小人心怀家乡；君子心怀法制，小人心怀实利。”

最好的领导者是那些倾听多于说话的人。

我不认识她。