When you focus on doing what's right rather than what's easy, success follows naturally.

煤炭行业是美国能源独立的支柱，已经持续了几代人。

"Memory can make a thing seem to have been much more than it was."

The main thing in life is not to stop questioning. Curiosity has its own reason for existing.

人生中最美好的时刻，不是那些被动、接受、放松的时光……最美好的时刻通常发生在一个人自愿努力去完成一项艰难而有价值的事情时，身体或心灵被拉伸到极限的时候。