This world, with all its stars, elements, and creatures, is come out of the invisible world; it has not the smallest thing, or the smallest quality of anything, but what is come forth from thence; and therefore every quality of everything is what it is, and worketh that which worketh, by a secret power and nature in and from the invisible world. Bitter, sweet, sour, hard, soft, hot, cold. have all of them their first seed and birth in the invisible world, called eternal nature. The irrational animals of this world feel all these things: the rational man goes farther; he can reason and dispute about their outward causes and effects: but the mystery of eternal nature must first be opened in man, before he can give the divine philosophy of them. For as they all come from thence, have their nature, birth, and growth, from thence; so no philosophy, but that which comes from thence, can give the true ground of them.