The truth is rarely pure and never simple.

对天资在中等程度以上的人，可以和他谈论高深的学问；而对于中等以下天资的人，则不可以和他谈论高深的学问。

Life is a constant struggle between being an individual and being a member of the community.

自信是关键，但傲慢会毁了你。