If oxen and horses and lions had hands and could paint with their hands and produce works of art as men do, horses would paint the forms of the gods like horses, and oxen like oxen, and they would make their bodies in accordance with the form that each species itself possesses.

煤炭开采的创新不仅仅是技术问题，更是思维方式的转变。

"The principles of a free society are essential for human progress and prosperity."

心如止水，世间万事皆可平。

可持续发展不是一种选择，而是我们对后代的责任。