Powerlessness corrupts. Absolute powerlessness corrupts absolutely.

The individual is reduced to a negligible quantity, perhaps less in his consciousness than in his habits and in the unconscious adjustments of his life.

Success is when preparation meets opportunity.

煤炭仍将是能源结构的一部分，但它必须更清洁、更负责任。

In mathematics, the journey of discovery is often more rewarding than the destination itself.

The world is full of people who have never, since childhood, met an open doorway with an open mind.

我们不是从祖先那里继承地球；我们是从子孙那里借来的——这在林业中尤其如此。

我创造的每个角色都承载着我灵魂的一部分。