You have brains in your head. You have feet in your shoes. You can steer yourself any direction you choose.

Don’t let fear decide your future.

Memory is a kind of accomplishment, a sort of renewal even.

因此美名归于君主，而仇怨由臣下担当；安乐归于君主，而忧患由臣下担当。这就是墨翟所说的忠臣。 

教师必须为形成较好人类而献出一切。

我并不完美，但我每天都在努力专注于变得更好。

可持续性不是一种选择，而是我们对后代的责任。

Every discovery opens the door to a thousand new questions.

我坚持我所相信的，我不害怕说不。