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In philosophy, "illumination" refers to a theory of knowledge, most notably articulated by St. Augustine. This theory posits that human understanding and the ability to grasp ideas are made possible by a divine "illumination" of the mind by God. This concept is metaphorical, likening the mind to an eye that can only see when God, the source of light, illuminates it. Augustine's theory applies to all forms of knowledge, not just spiritual insights, and was developed partly to counter Skepticism. This philosophical idea contrasts with the more common understanding of illumination as the provision of light or a statement that clarifies something.123

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