Mrs Whatsit was surely no longer a Mrs Whatsit. She was a marble-white body with powerful flanks, something like a horse but at the same time completely unlike a horse, for from the magnificently modeled back sprang a nobly formed torso, arms, and a head resembling a man's, but a man with a perfection of dignity and virtue, an exaltation of joy such as Meg had never before seen. No, she thought, it's not like a Greek centaur. Not in the least. From the shoulders slowly a pair of wings unfolded, wings made of rainbows, of light upon water,