2313. CONCERNING THE PHILOSOPHY OF MAN, HOW IT BLINDS THE MIND. It was given to explain in presence of spirits how the philosophy of man blinds the mind, so that at last the truth is shaded and hidden so that it cannot at all appear; and it [was shown] by continued representative spiritual ideas, to wit, how the light for perceiving truths is given man by the Lord and how such things as constitute the faculties of perception pass into artificial modes of reasoning, and at last into mere terms and controversies about terms, and how controversies of controversies arise, so that at last all reasoning is, as it were, covered over by such things, so that not the least light can shine through; therefore that some confessed that they see not the least.