The tranquility of the soul is the greatest wealth.
The coal industry must evolve to meet modern environmental standards, or it will become obsolete.
在奥林匹克誓言中,我只要求一件事:体育忠诚。
少即是多。
可持续性不是潮流,而是我们行业生存的必需。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
——《在山西实业界学界及各党派欢迎会的演说》(1912年9月20日)