30 – “Principles for the development of a complete mind: Study the science of art. Study the art of science. Develop your senses—especially learn how to sea. Realize that everything connects to everything else.”

– Leonardo da Vinci

Quote Number: 69

Source: His notebooks, but the specific one could not be found

Source Notes: The source is somewhat weak as the specifics of the citation could not be found other than it came from one of da Vinci’s notebook