" in general, that which is to our greater profit—the loss and annihilation of self—we esteem a calamity; and that which is of but little value—comfort and sweetness, where, in general, we lose instead of gaining—we look upon as the more advantageous for us. 5. But, to speak with more accuracy, and to the purpose, of the ladder of secret contemplation, I must observe that the chief reason why it is called a ladder is, that contemplation is the science of love, which is an infused loving knowledge of God, and which enlightens the soul and at the same time kindles within it the fire of love till it shall ascend upwards step by step unto God its Creator; for it is love only that unites the soul and God. With a view to the greater clearness of this matter, I shall mark the steps of this divine ladder, explaining concisely the signs and effects of each, that the soul may be able to form some conjecture on which of them it stands. I shall distinguish between them by their effects with St. Bernard and St. Thomas,6 and because it is not naturally possible to know them as they are in themselves, because the ladder of love is so secret that it can "

― John of the Cross , Dark Night of the Soul