世界在你面前，你不需要接受它或离开它，就像你进来时那样。
The world is before you, and you need not take it or leave it as it was when you came in.
All who joy would win must share it. Happiness was born a twin.
The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.
The only way to do great work is to love what you do.
采矿技术的创新将是该行业在下个世纪保持活力的关键。