参差多态乃是幸福之本源。

Mental tranquility is the highest good.

解释：眩晕等症状多与肝脏有关，体现了中医对病症与脏腑关系的认识。

最好的交易者是那些能够适应不断变化的市场条件的人。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。