脸上有个污点，别人见了都暗自发笑，而自己还不知道，一旦有人直言相告，马上就用手拭去。如果还说：「我脸上有污点，与你有什么关系？」就不合乎人之常情了。可是当别人指出自身的缺点错误时，人们的态度为何就不是这样呢？

The world is a place of infinite complexity, and we are all just trying to make sense of it.

Always keep your knife sharp, your wits sharper, and your spirit sharpest.

Every problem in mathematics is an opportunity to learn something new.

天然气行业的创新必须平衡即时需求与长期可持续性目标。

胜利：是保持权利的一种事情。