完美数如同完美的人一样稀少。

群众的鼻子是他们的想象力。通过这一点，任何时候都可以悄悄地引导他们。

Life imitates art far more than art imitates life.

Leadership in mining means making tough decisions that benefit all stakeholders, not just shareholders.

The power of a man, to take it universally, is his present means, to obtain some future apparent good.

如果你做不到，那就去教别人。