A dynamic law requires that two masses — nature and man — must go on, reacting upon each other, without stop, as the sun and a comet react on each other, and that any appearance of stoppage is illusive.
动力法则要求两群体——然和人——必须持续不断地相互反应,就像太阳和彗星相互反应一样,任何停止的现象都是虚幻的。