As a day well spent makes sleep seem pleasant, so a life well employed makes death pleasant. A life well spent is long
His first principle stated broadly that the most useful art was the one which could most easily be communicated.
The first picture in the world, he remarked in a happy epigram, had been "a line surrounding the shadow of a man, cast by the sun on the wall."
has as many movements of the body as of varieties of ideas.
"the painter strives and competes with nature,"
It was Leonardo's firm conviction that each thought had some outward expression by which the trained observer was able to recognize it.
He had searched to find a scientific basis for art, and discovered it in the imitation of nature,
