Finds disappointment in using educational books to expand his learning experience. He believed that by conducting experiments one would gain greater knowledge and that “green knowledge (knowing how to see) was fundamental to fully living all aspects of life (Leonardo da Vinci)”. To learn the basic functions of the human body, Leonardo participated in autopsies with Michelangelo and other related artists. They studied the human body to dissect it and learn more about the details of the muscles and anatomy. From these autopsies Leonardo illustrated the Vitruvian Man in one of his many notebooks. The Vitruvian Man was designed to reveal the perfect proportions of the human body. Leonardo stated that “a human body can be symmetrically inscribed both in a circle and in a square; this idea influenced his architectural practice (Vitruvian Man)”. The text written on the image clarifies the theory created by Vitruvius, a Roman architect. Leonardo's purpose in creating the image brought new ideas of science, anatomy, architecture and art that are still studied and used to this day. Although many of his inventions have gone unnoticed throughout history, Leonardo was quite busy in his rather long life. Due to his work being claimed as someone else's, Leonardo never fully published his findings from his notebooks. These are the inventions we use in the modern world, truly the world of Leonardo da Vinci