一切都是一个学习的过程:每次你跌倒,它只是在教你下次站起来。
Whereof one cannot speak, thereof one must be silent.
人性这根曲木,决然造不出任何笔直的东西。
No arts; no letters; no society; and which is worst of all, continual fear and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.