Never be satisfied with where you are; always strive for better.
每个人都是一个月亮，总有一个阴暗面，而他从来不会让人看见。
文明不是继承的；每一代人都必须重新学习和赢得它。
增长不仅仅是数字的问题；它关乎创造持久的价值。
The coal industry is about people, not just profits.
I don't believe in luck, I believe in preparation meeting opportunity.
People who boast about their IQ are losers.
在这个不断试图改变你的世界里做自己，是最大的成就。