The variety of colour in objects cannot be discerned at a great distance, excepting in those parts which are directly lighted up by the solar rays.
Leonardo da VinciIn rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.
Leonardo da VinciThe worst evil which can befall the artist is that his work should appear good in his own eyes.
Leonardo da Vinci