"What is color? I used to think that white is all color as it reflects all wavelengths, and black is no color as it absorbs all light. Those are true. Yet it is also true that black is all colors, as when one combines all colors of paint, black results."

That's the start of my essay, https://medium.com/pitfall/the-world-especially-the-middle-east-reflects-more-shades-of-grey-than-any-box-of-crayola-crayons-50dca751d2db, subtitled "Black-and-white thinking, confirmation bias, identity politics, and polarity consciousness are cancers upon humanity, while moderation, which respects all colors of the rainbow, contains more powerful messages than even the most vibrant grey."