The light house was on a small rocky island surrounded by deep water.

VOA: special.2010.05.08

And when we don't see the seed of greatness, when we don't water it and shed a light on it, it withers and dies, which is unfortunately the fate of most human potential.

如果我们看不见学生的潜能，不去栽培它，它就会枯萎而死，遗憾的是，大部分人类潜能都因此而被磨灭。

哈佛公开课 - 幸福课课程节选