地理带的研究揭示了自然界的统一性，尽管它表面上看起来多样。

Love is the poetry of the senses.

"The best writing is that which makes the familiar strange and the strange familiar."

The art of invention consists in finding out the causes of known effects.

煤炭行业必须进化，否则就有被淘汰的风险。适应是生存的关键。