Right Opinion. In operations, again, performed by skill of hand, it is Art. But when, on the other hand, without the study of primary causes, by the observation of similarities, and by transposition, it makes any attempt or combination, it is called Experiment. But belonging to it, and supreme and essential, is the Holy Spirit, which above all he who, in consequence of [divine] guidance, has believed, receives after strong faith. Philosophy, then, partaking of a more exquisite perception, as has been shown from the above statements, participates in Wisdom.