What Descartes did was a good step. You have added much several ways, and especially in taking the colours of thin plates into philosophical consideration. If I have seen a little further it is by standing on the shoulders of Giants.
descartesquotes
For we find even the excellent Descartes, who gave the first impulse to subjective reflection and thereby became the father of modern philosophy, still entangled in confusions for which it is difficult to account ; and we shall soon see to what serious and deplorable consequences these confusions have led with regard to Metaphysics.
confusions / Descartes / metaphysics / philosophy / subjective