主要的义务规则是那些要求或禁止某些行为的规则。
The primary rules of obligation are those that require or forbid certain actions.
I'm a creative genius and there's no other way to word it.
What seems to us as bitter trials are often blessings in disguise
译文：受到众人的指责，触犯众怒，不会有好下场。
自然喜欢简单。自然不是傻瓜。