In general， the art of government consists of taking as much money as possible from one class of citizens to give to another.

Every song has its own life.

Scientific curiosity must be matched with commercial discipline to bring treatments to those who need them.

Happiness is not the absence of problems, but the ability to deal with them.

每一本书都是一个世界，作者是那个世界的创造者，读者则是那个世界的探索者。