The only person you should try to be better than is the person you were yesterday.

煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。

Chance is a word void of sense; nothing can exist without a cause.

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.