6. In the first place, because the light and wisdom of contemplation is most pure and bright, and because the soul, on which it beats, is in darkness… - John of the Cross

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6. In the first place, because the light and wisdom of contemplation is most pure and bright, and because the soul, on which it beats, is in darkness and impure, that soul which is the recipient must greatly suffer. As eyes weakened and clouded by humors suffer pain when the clear light beats upon them, so the soul, by reason of its impurity, suffers exceedingly when the divine light really shines upon it. And when the rays of this pure light strike upon the soul, in order to expel its impurities, the soul perceives itself to be so unclean and miserable that it seems as if God had set Himself against it, and itself were set against God. So grievous and painful is this feeling — for it thinks now that God has abandoned it — that it was one of the heaviest afflictions of Job during his trial. “Why hast Thou set me contrary to Thee, and I become burdensome to myself?”8 The soul seeing distinctly in this bright and pure light, though dimly, its own impurity, acknowledges its own unworthiness before God and all creatures. 7. That which pains it still more is the fear it has that it never will be worthy, and that all its goodness is gone. This is the fruit of that deep impression, made on the mind, in the knowledge and sense of its own wickedness and misery. For now the divine and dim light reveals to it all its wretchedness, and it sees clearly that of itself it can never be other than it is. In this sense we can understand the words of the Psalmist: “For iniquities Thou hast chastised man, and Thou hast made his soul pine away and wither9 as a spider.”10 8. In the second place, the pain of the soul comes from its natural,11 moral, and spiritual weakness; for when this divine contemplation strikes it with a certain vehemence, in order to strengthen it and subdue it, it is then so pained in its weakness as almost to faint away, particularly at times when the divine contemplation strikes it with greater vehemence; for sense and spirit, as if under a heavy and gloomy burden