“You thought you could create more indigo, and I understand why you wished it, Eliza, for indigo is the color of bluebirds, the color of the twilight sky. Newton insisted it be added to the colors of the rainbow, and once upon a time, its cousin true blue was such a rare pigment, its price rivaled gold. People have fought wars over indigo crops and used it to bolster and brag of their wealth. Why? All in an attempt to make beauty lasting.”