The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

Respect nature and follow its course.

【释义】口中想吃的，不能随便放任这种欲望；心里想要的，不可以随意去追求。【延伸】一个人只要肯约束自己的欲望，满足于过比较简单的生活，生命的疆域更加广阔。当你放纵欲望的时候，你也会被欲望反噬。

A society that puts equality before freedom will get neither. A society that puts freedom before equality will get a high degree of both.

解释：婚姻是难以预测的事情，既可能收获幸福，也可能招来祸患。婚姻事关人生的祸福，是家庭兴旺或衰败的根源，是人生十分重大的事情，好的婚姻给人以幸福，坏的婚姻给人以祸患。