The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.

"Reading is an act of freedom."

真正的智者，是知其然，也知其所以然。永远明白自己在做什么，要做什么！清醒，问心无愧，活得明明白白！

研究的真正乐趣来自于突破我们认为可能的界限。

The beauty of mathematics is that it allows us to see the world in a way that is both precise and profound, revealing the underlying order that governs all things.

动口不如动手去干，求人不如自己亲自去办。