When this question was answered in terms of the distinction between the eye of the body and the Eye of the Mind, νου̂ς—thought, intellect, insight—was identified as what separates men from beasts. There was, we moderns may say with the ingratitude of hindsight, no particular reason why this ocular metaphor seized the imagination of the founders of Western thought. But it did, and contemporary philosophers are still working out its consequences, analyzing the problems it created, and asking whether there may not be something to it after all. The notion of “contemplation,” of knowledge of
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