我不认为有什么极限。
I don't think limits.
教育是你可以用来改变世界的最有力武器。
在个体中,疯狂是罕见的;但在团体、党派、国家和时代中,它却是常规。
The great and chief end, therefore, of men's uniting into commonwealths and putting themselves under government is the preservation of their property.
对幸福的追寻是不幸福的主要原因之一。
人生苦短,不该在痛苦中虚度。