8807. And they washed their garments. That this signifies the purification of the truths of faith, is evident from what was said above (n. 8789), where like words occur.

4792. As food and nourishment correspond to spiritual food and nourishment, therefore taste corresponds to the perception and affection of this food. Spiritual food is knowledge, intelligence, and wisdom, for from these, spirits and angels live and are nourished, and they desire and have appetite for them just as men who are hungry desire and have appetite for food. Hence appetite corresponds to this desire. And wonderful to say, from this food they grow to maturity; for little children who die appear in the other life no otherwise than as little children, and also are such as to understanding; but as they increase in intelligence and wisdom, they appear not as little children, but as advancing in age, and at last as adults. I have conversed with some who had died in infancy, and were seen by me as young men, because they were then intelligent. From this it is evident what spiritual food and nourishment are.