The problem with any philosophical consideration is that once you open a door in your mind, you can never close it. Once you learn something, you can never convince your mind that you didn't learn it. If you learn the… — Ted Dekker Copy Share Image
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… — Isaac Newton Copy Share Image
