A good mechanic is not merely a man who files and hammers, but one who can originate and perfect.

Every mathematical problem has a solution; it just takes time and effort to find it.

Self-education is, I firmly believe, the only kind of education there is.

我写作是为了揭露自己，理解自己。

你必须充满期待。你必须沉浸在希望之中。