做好事如同背负重物而登山，志向虽已确立，但总是担心力不从心；干坏事如同骑马下山，虽然未加鞭，但却欲驻足而难以自禁。

A dream is a place where a wish and a fear meet. When the wish and the fear are exactly equally balanced, you call the dream a nightmare.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

Leadership is not about being in charge. It's about taking care of those in your charge.

真朋友才会当面中伤你。

译文：读书人既然知道学习的重要性，就怕做学问没有一颗恒心，人不怕贫穷，就怕人穷志也穷。赏析：读书最怕浅尝辄止，一知半解。知识如大海一般没有尽头，我们要有坚持不懈的定力，方能学到真本领。我们身处困境，不能丧失斗志，在哪里跌倒就在哪里爬起。