The best picture books work on different levels for different ages.

When we think we have been understood, we feel we can control the world around us.

I always thought it was important to have a vision and to persist.

人是会讨价还价的动物：没有其他动物会这样做——没有狗会与另一只狗交换骨头。

The reality is: sometimes you lose. And you're never too good to lose. You're never too big to lose. You're never too smart to lose. It happens.

我不再是个孩子了，我是个年轻人。

Even if we're apart, our hearts are always together.

成功不是终点，失败也不是致命的：重要的是继续前进的勇气。