"The human eye can distinguish 15 or 16 shades of gray. A computer image processor can distinguish 256 shades of gray, which is impressive. More impressive, however, is the human heart, mind, and soul, which can distinguish an infinite amount of emotional, psychological, and moral shadings, from the blackest of black to the whitest of white. I've never seen either end of the spectrum, but I've seen a lot in between."
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