Quote from : A Wrinkle in Time Book

And we're not alone, you know, children," came Mrs. Whatsit, the comforter. "All through the universe, it's being fought, all through the cosmos, and my, but it's a grand and exciting battle. I know it's hard for you to understand about size, how there's very little difference in the size of the tiniest microbe and the greatest galaxy. You think about that, and maybe it won't seem strange to you that some of our very best fighters have come right from your own planet, and it's a little planet, dears, out on the edge of a little galaxy. You can be proud that it's done so well." "Who have our fighters been? Calvin asked. "Oh, you must know them, dear," Mrs. Whatsit said. Mrs. Who's spectacles shone out at them triumphantly. "And the light shineth in darkness; and the darkness comprehended it not." "Jesus!" Charles Wallace said. "Why of course, Jesus!" "Of course!" Mrs. Whatsit said. "Go on, Charles, love. There were others. All your great artists. They've been lights for us to see by.