For that reason the ancients said that the Devil has, so to speak, twin mirrors which he holds before a man. The first mirror is the minimizing mirror. With it he makes the sin quite small and insignificant. He holds this mirror up to a person when he wants to tempt a man into, and drive him towards, sin. The second mirror is the magnifying mirror. With it he makes the sin quite large and thick. He holds this mirror up to a person when he has toppled him into sin. With this trick the devil deceives very many people, so that they either commit sin against their conscience with great eagerness; or later despair in vexation over the sin.
This is so true, when he wants you to sin, he minimizes the consequences and the gravity of the offense, and it is only after you have commited the sin that he comes bearing the accusation of the Law.