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" areas, and brilliantly, too. Leonardo is known as one of the greatest painters who ever lived, and many argue he was the greatest artist ever. However, his genius went far beyond the easel and his paintbrushes. His mind could conceive of almost anything, from a beautiful representation of Heaven to graphical illustrations of the human body in a time when there were no such things as CAT scans or x-rays. Leonardo’s lifetime was spent observing and doing so in many different venues. His notebooks were filled with examples of what it means to be human. He looked at life from numerous perspectives and recorded all he saw. From light and shade to perspective and visual perception, from botany and landscape to physical sciences and astronomy, from architecture and planning to sculpture and experiments, from inventing to philosophy, there was nothing that didn’t touch Leonardo da Vinci. "
― Hourly History , Leonardo da Vinci: A Life From Beginning to End