The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.

真相总是复杂的，而且很少是纯粹的。

To live is to be slowly born.

一个人最危险的敌人是他自己的口舌。

一个人和他想要的生活之间唯一的障碍往往只是尝试的意愿和相信它可能的信念。