"As I wouldn't wear a costume, I couldn't imagine him wanting to wear one. And seeing that the greater part of my wardrobe is black (It's a sensible colour. It goes with anything. Well, anything black)[...]."

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What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants.

— Isaac Newton