“My soul, what's lighter than a feather? Wind. Than wind? The fire. And what than fire? The mind. What's lighter than the mind? A thought. Than thought? This bubble world. What than this bubble? Nought.” WorldMindSoulFireWindMy SoulBubblesFeathersLighters Book:Emblems, Divine and Moral: The School of the Heart ; And, Hieroglyphics of the Life of Man Source: Emblems, Divine and Moral: The School of the Heart ; And, Hieroglyphics of the Life of Man