看不见的手之所以常常看不见,是因为它常常不存在。
The reason that the invisible hand often seems invisible is that it is often not there.
The more you invest in a bad relationship, the more it costs you.
The strength of steel is matched only by the strength of the people who make it.
Innovation starts with questioning the way things have always been done.
In the end, we will remember not the words of our enemies, but the silence of our friends.