Steven Arthur Pinker (born September 18, 1954) is a Canadian-American cognitive psychologist, linguist, and popular science author. He is Johnstone Family Professor in the Department of Psychology at Harvard University, and is known for his advocacy of evolutionary psychology and the computational theory of mind.
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It is my opinion that humans are largely what they make of themselves; in other words, "human nature" is not so much an empirical reality as a process of self-construction. This means that if people become what they think they are, what they think they are is exceedingly important.