[299] for the first number is that into which it is not possible to receive any idea of either good or evil, since the soul is as yet destitute of all impressions; and the second is that in which we indulge in a rapid course of the passions; and the third is that in which we are healed, repelling the infections of disease, and at last ceasing to feel the evil vigour of the passions; the fourth is that in which we acquire complete and perfect health and vigour, when rejecting what is bad we appear to endeavour to apply to what is good, which previously was not in our power.