The end is in the beginning and yet you go on.

Twenty years from now, you will be more disappointed by the things you didn’t do than the ones you did.So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. （注：这句说话被部分人质疑不是由马克·吐温所说的。）

在采矿业，安全不仅仅是政策 - 它是个人问题。