煤炭企业在追求经济效益的同时必须履行社会责任。

智慧是快乐的源泉。

The best leaders are those most interested in surrounding themselves with assistants and associates smarter than they are.

天才和愚蠢之间的区别就是天才有它的限制。

真理很纯粹，可决不简单。