No human investigation can be called real science if it cannot be demonstrated mathematically.
Leonardo da VinciLove shows itself more in adversity than in prosperity; as light does, which shines most where the place is darkest.
Leonardo da VinciNothing will be left, Nothing in the air, nothing under the earth, nothing in the waters. All will be exterminated.
Leonardo da VinciPerspective is nothing more than a rational demonstration applied to the consideration of how objects in front of the eye transmit their image to it, by means of a pyramid of lines. The Pyramid is the name I apply to the lines which, starting from the surface and edges of each object, converge from a distance and meet in a single point.
Leonardo da Vinci