The writer is a person who writes, not a person who is written about.

时间从我们头顶飞过，但留下了它的影子。

如果你想在数学上取得进步，你必须习惯于不舒服。

你们会选择安逸的生活，还是选择一个奉献与冒险的人生？

Train people well enough so they can leave, treat them well enough so they don't want to.

生活就是创造你自己。