Education is not the filling of a pail, but the lighting of a fire.

心理活动总是朝向某个目的。

沉默并不总是智慧的标志，但喋喋不休总是愚蠢的标志。

Stop being afraid of what could go wrong and start being excited about what could go right.

我们生活在一个美丽的世界。