煤炭推动了我们的过去，但我们必须诚实地面对它在未来中的作用。
Coal has powered our past, but we must be honest about its role in our future.
A good abstraction is one that captures the essential aspects of a concept while ignoring the irrelevant details.
数学中最美丽的东西是复杂背后的简单思想。
Investing in employee training isn't an expense—it's the foundation of quality and operational excellence.
在这个世界上，你无法选择是否受伤，但你可以选择谁伤害你。
我的语言的界限意味着我的世界的界限。
You are given the gift of life in order to discover what your gift in life is. You will complete your mission when you figure out what your mission is. This is not a paradox. This is the way.
In the end, we will remember not the words of our enemies, but the silence of our friends.