一切都可以从一个人身上夺走，除了一样：人类最后的自由——在任何特定环境下选择自己态度的能力。
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.
There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.
The best picture books work on different levels for different ages.