Know thyself! A maxim as pernicious as it is ugly. Whoever observes himself arrests his own development. A caterpillar who wanted to know itself well would never become a butterfly. – Andre Gide
…I heard a neigh. Oh, such a brisk and melodious neigh as that was! My very heart leaped with delight at the sound. – Nathaniel Hawthorne, "The Chimæra," A Wonder-Book for Girls and Boy