The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Be fearless in the pursuit of what sets your soul on fire.

All the effects of nature are only the mathematical consequences of a small number of immutable laws.

出自先秦《荀子·修身》。批评我而又批评得恰当的，他便是我的老师；肯定我而又实事求是的，他便是我的朋友；讨好奉承我的，他便是我的仇人。说明修身养性要有闻过则喜的雅量，要亲近正人君子而远离谄谀小人。这样，才会有利于自己道德的修炼进步。

钢铁行业很艰难，但韧性才能区分出最优秀的企业。