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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.

物理學家必須對自然法則的簡潔與美懷有一種信念。

出自北齊·顏之推《顏氏家訓·教子》。慈，慈愛。則，那么。畏慎，畏懼、謹慎。矣，句末語氣助詞。父母有威嚴也有慈愛，那么子女就會畏懼、謹慎而生孝順之心。孝子是靠嚴格而慈祥的方法培養出來的，不是一味溺愛就能教育出來的。

人類以可預測的方式非理性。