未来属于那些相信自己梦想之美的人。

I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

译文：只有贤明，品德高尚的人，才能令人信服。

煤炭的真正价值在于我们如何负责任地开采和使用它。