Philosophical Egg
- John Dee, Monas Hieroglyphica, Colophon: The Watery Dew of Heaven: [Visual Content]
- Michael Maier, Atalanta Fugiens, Emblem VII: Piercing the Alchemical Egg with the Fiery Sword: [Visual Content]
- John Dee, Monas Hieroglyphica, Monas Hieroglyphica and the Alchemical Egg: [Visual Content]
- Heinrich Nollius, Theoria Philosophiae Hermeticae, Rebis: [Visual Content]
- Diogenes Laertius, Stoicorum Veterum Fragmenta, SVF II.38b: "Philosophy, they say, is like an animal: logic corresponding to the bones and sinews, ethics..."