Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.
每一个作用力总是有一个相等的反作用力与之对抗。
不是关于想法,而是关于实现想法。
释义:福可能变成祸,祸也可能转为福,变化没有尽头。