唯一的限制是你的思想。
"We don't get to choose our own hearts. We can't make ourselves want what's good for us or what's good for other people."
人的喜怒哀乐的感情没有表现出来,叫做中;表现出来合乎法度,叫做和。达到中和,天地就各居自己的位置,万物也就生长了。