To convince someone of the truth, it is not enough to state it, but rather it must be found.
要说服某人相信真理,仅仅陈述它是不够的,它必须被发现。
抽象的力量在于它允许我们在更高的层次上推理系统,而不会被细节所困扰。
A minute's success pays the failure of years.
道德的基础是对他人的同情。