生活本身就是一种冒险，充满了未知和挑战。
A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...
我们理解的两个操作，直觉和演绎，是我们获取知识时必须依赖的。
我一直知道我会变得富有。我想我从来没有怀疑过这一点。