Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.
儒家所谓,“纵心所欲不逾矩”,道家所谓,“无为”,佛家所谓,“清净虚空”,其实说的都是一个道理,就是精神上的自由自在的状态。达到这种境界,就消解了得与失、荣与辱的界限,一切的一切就如同“庭前花开花落”、“天上云卷云舒”一般自然而然,荣辱不惊,无忧无惧。