Love is the world's infinite mutability; lies, hatred, murder even, are all knit up in it.

Mathematics is the music of reason.

解释：“武”字是“止”“戈”两字合成的，所以要能止战，才是真正的武功。

Sustainable development is not an option, but a necessity for the coal sector.

I have made the most important discovery of my life. It's only in the mysterious equations of love that any logic or reasons can be found.