Therefore to the same natural effects we must, as far as possible, assign the same causes.
Isaac NewtonA man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding.
Isaac NewtonThe way to chastity is not to struggle directly with incontinent thoughts but to avert the thoughts by some imployment, or by reading, or meditating on other things.
Isaac Newton