I have noticed that youngsters given to the climbing habit usually do something when they grow up.

无力感会腐蚀。绝对的无力感会绝对地腐蚀。

比喻企业需要长期积累才能迎来爆发式增长

最大的财富是健康。

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

我认为，人生中最快乐的时刻是出发前往未知的土地。