Although he expressed an intention to organize and publish them someday, he never got around to it. He was too busy searching for truth and beauty. For Da Vinci, the process of recording questions, observations, and ideas was of great importance. “This is to be a collection without order, taken from many papers, which I have copied here, hoping afterwards to arrange them according to the subjects of which they treat; and I believe that I shall have to repeat the same thing several times; for which, O reader, blame me not …” — FROM THE FRONT PAGE OF ONE OF LEONARDO’S MANUSCRIPTS ON PHYSICS You
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