不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。
解释:药物之间有阴阳、子母、兄弟等配对关系,说明药物配伍的原理。
释义:人才没有固定不变的价值,器物没有一成不变的用处。
The hardest decisions often yield the greatest rewards.
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.