The reason that the invisible hand often seems invisible is that it is often not there.

书本身不是目的，它是一种唤起的手段。

There are no solutions. There are only trade-offs.

我决定了，既然我要下地狱，那不如做得彻底些。

I don't want to be a champion only on the court, I want to be a champion in life.

解释：对君不义，对兄弟不亲，即使土地扩大了，也会分崩离析。