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241 pages, Kindle Edition
Published March 13, 2018
"It's helpful to consider children, because they already have a very clear idea of what is the question. Ask them about the color they see—some shade of red—when they shut their eyes and look at a light, and then cover their eyes and watch the red grow dim. They know the color isn't out there in the world. They know—to put it simply—that it's just 'in their minds.'"