When will you ever make me proud?

数学中最深刻的思想往往源于最简单的观察。

人是唯一会在同一块石头上绊倒两次的动物。

The most successful businesses are those that adapt quickly to change while staying true to their core values.

我相信只要你付出努力，结果自然会来。

知识可以分享，智慧无法分享，它可以被发现，被体验。