人们之所以加入社会是为了保护他们的财产。
The reason why men enter into society is the preservation of their property.
压力造就钻石。
The more specific you are, the more universal you become.
学习在于改变介于刺激和反应之间的某些中介过程。
Safety isn't a priority—it's a value. You can't prioritize something that should never be compromised.
Reason is the soul of the law； the reason of the law is the soul.
The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.
Every mathematical problem is a window into a new world of understanding.