最重要的行动从来都不会让人感到舒适。

对待小人态度严厉，不困难，困难的是让自己不去憎恨厌恶他们；对待君子恭敬谦逊，不困难，困难的是让自己始终以礼相待他们。

I don't compete with anyone but myself. My goal is to be better than I was yesterday.

理论物理学的美在于它能够揭示支配宇宙的隐藏对称性和模式。