Every action needs to be prompted by a motive. To know and to will are two operations of the human mind. Discerning, judging, deliberating are acts of the human mind.
Leonardo da VinciEvery now and then go away, have a little relaxation, for when you come back to your work your judgment will be surer.
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 VinciSculptured figures which appear in motion, will, in their standing position, actually look as if they were falling forward.
Leonardo da Vinci