我们生来都是疯狂的，有些人一直如此。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
We live in the best of all possible worlds because it was chosen from all possible worlds.
Old minds are like old horses; you must exercise them if you wish to keep them in working order.