真正的智慧在于承认自己的无知。

Leadership is about empowering others to achieve their best, not just giving orders.

卓越不是一种行为，而是一种习惯。

If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.

Mathematics is the language of the universe, and through it, we can understand the fundamental principles that govern our world.

出自北齐·颜之推《颜氏家训·勉学》。博士：指学识渊博的人。一个学识渊博的人打算去买一头驴，可是写了三页纸也没有见到一个“驴”字。这句话常用来讽刺文章文辞繁冗、不得要领、苍白空洞。