机会就在抱怨的地方。

"Writing is a matter of patience and stubbornness, not talent."

保持专注，永远不要忘记你的目标。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

恐惧是人类如此强大的情感，以至于当我们允许它控制我们时，它会驱赶我们心中的同情。