I cannot love anyone if I hate myself. That is the reason why we feel so extremely uncomfortable in the presence of people who are noted for their special virtuousness, for they radiate an atmosphere of the torture they inflict on themselves. That is not a virtue but a vice.
恨自己就无法爱他人。这就是在面对因其极度高洁而闻名的人时，我们感觉极为不安的原因：他们带来自我折磨的氛围——一种邪恶而非德行。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
释义：与心意相投的朋友在一起，心里不会感到厌倦；与理解你的人交谈，会有说不完的话。
要理解心灵，就跟随它的实际后果。
Courage to fail is just as important as the will to succeed.