In all of us，even in good men，there is a lawless wild-beast nature，which peers out in sleep.

孩子们值得拥有挑战他们的书，而不仅仅是娱乐。

Life is a constant struggle between being an individual and being a member of the community.

Mining with integrity means leaving the land better than we found it.

当没有人相信你的时候，你必须相信自己。