Thought travels faster than light, for it traverses time dimensions in an instant.

The most effective development interventions are often the simplest ones.

虚度光阴是第二大的遗憾！这每一天的时间，太宝贵了！并且我们要珍惜每一分每一秒，不让时光白白流逝！

想治理国家，首先要先去治民。治民要先正己，做好治家的工作，把自家子弟教育好了，自己就会以身作则；只有做到先正自己，才能在治民方面起到带头作用。只有先做好自己，才能为别人带好头和榜样；只有先身体力行才能有好作用榜样示范作用。这才是真正有意义的治理国家的好方法。只有先立好自己的身才能对社会起到好的表率作用。

The most important thing is to be true to yourself.

如果不理解两者，就无法理解个人的生活或社会的历史。

I don’t compete with anybody but myself. When you compete with other people, you limit yourself.

The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.

数学中最重要的是提出正确的问题。