不可以同井底的青蛙谈论大海的辽阔，因为有空间的拘束；不可以同夏天的小虫谈论冰冻的寒冷，因为有时节的局限。
利润必须与目标一致——危害地球的农业会危害我们所有人。
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
The best revenge is massive success.
It said that all people who are happy have God within them.
为儿童写作是一种责任——他们应该得到真相，即使真相很难。