There is danger from all men. The only maxim of a free government ought to be to trust no man living with power to endanger the public liberty.

The worst pain a man can suffer is to have insight into much and power over nothing.

建筑师必须是诗人，但必须是建造的诗人。

The mining industry must evolve to meet the demands of a changing world.

领导力意味着为了更美好的明天而在今天做出艰难的决定。