Labels:text | screenshot | font OCR: A 12-line passage compares the body of the earth to the body of animals. This analogy of macrocosm to microcosm originated in ancient philosophical writings, but Leonardo develops his thoughts in a strictly scientific direction. He devotes most of this page to the earth's rivers. As elsewhere in the Codex Leicester, his descriptions suggest both visual and literary sources for his thinking: "The body of the earth, like the bodies of animals, is interwoven with a network of veins which are all joined together and are formed for the nutrition and vivification