There is only one good, which is knowledge, and one evil, which is ignorance.

老年人相信每一件事物；中年人猜疑每一件事物；青年人什么都懂。

唱歌是我与世界对话的方式。

Give me a dozen healthy infants, well-formed, and my own specified world to bring them up in and I'll guarantee to take any one at random and train him to become any type of specialist I might select—doctor, lawyer, artist, merchant-chief and, yes, even beggar-man and thief, regardless of his talents, penchants, tendencies, abilities, vocations, and race of his ancestors.

我们可以轻易原谅害怕黑暗的孩子；人生真正的悲剧是成年人害怕光明。

人们通常看到他们寻找的东西，听到他们倾听的东西。