如果你认为强悍的人很危险，那就等着看弱者能做什么。
"if you think tough men are dangerous, wait until you see what weak men are capable of.
The work of art is a trace of the invisible.
The strongest weapon you have is your mind. Train it well.
The more absurd the world becomes, the more necessary it is to create a sense of order.
不克制意志便能高洁，不讲求仁义就能修身，不追求功业名声便能使天下太平，不隐居江海也得静闲，不用导引之术而得高寿，忘掉上面这一切，而又具备这一切。淡然至极，而一切美好的东西都随之而来，这就是天道，圣人之规律。
继子女面临更大风险，因为进化压力塑造了父母更偏爱自己基因后代的心理。