But what do we know of the man, of his passions, of Leonardo in love? Leonardo left nothing that could be read directly as a diary or journal: his interest was in the outer, rather than the inner, world. We know a great deal about Leonardo da Vinci’s interests in botany and human anatomy about his explorations of flight, of war machines and the flow of water of his skills as a painter, and even his reputation for leaving projects unfinished.
