【译文】一辈子不做不应该做的事，世界上就不会有痛恨自己的人了。

乌鸦般的交情，虽然看上去挺好，但实则不亲密；绳子结在一起，虽然看上去牢固，但能轻易解开。

国际体系的结构，而不是个别国家的意图，是国家行为的主要决定因素。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

I don't think you can ever really change who you are, but you can change how you live your life.

At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.

Natural gas will play a critical role as a bridge fuel, but our eyes must remain fixed on the ultimate goal of net-zero emissions.