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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.
给我一打健康的婴儿,以及我指定的养育环境,我保证能把其中随机选出的任何一个训练成我选定的任何类型的专家——医生、律师、艺术家、商人,甚至乞丐和小偷,不论他的天赋、爱好、倾向、能力、职业和种族。
改变是困难的,但对于进步是必要的。
The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.
The deepest principle in human nature is the craving to be appreciated.