每本书都是一次旅程,每次旅程都可能成为一本书。
写作是唯一一件当我做它时,不会觉得我应该在做其他事情的事情。
In business, as in life, relationships are the foundation of everything.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.