The knowledge argument (also known as Mary's room or Mary the super-scientist) is a philosophical thought experiment proposed by Frank Jackson in his article "Epiphenomenal Qualia" (1982) and extended in "What Mary Didn't Know" (1986). The argument is intended to motivate what is often called the "Knowledge Argument" against physicalism — the view that the universe, including all that is mental, is entirely physical. The debate that emerged following its publication became the subject of an edited volume — There's Something About Mary (2004) — which includes replies from such philosophers as Daniel Dennett, David Lewis, and Paul Churchland.
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“The world still wants its poet-priest, a reconciler, who shall not trifle with Shakspeare the player, nor shall grope in graves with Swedenborg the mourner; but who shall see, speak, and act, with equal inspiration. For knowledge will brighten the sunshine; right is more beautiful than private affection; and love is compatible with universal wisdom.”
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