5671. The Intellectual cannot be illustrated except from heaven; nor can anyone be illustrated out of heaven save he who is in heavenly love, consequently, who is in a life of good: communication with heaven thus takes place. Then, he can be kept in the light of heaven: and, moreover, it is the light of heaven which illustrates the whole, according to his understanding. Those who are in worldly affairs cannot be illustrated, because they are in the light of the world and not in that of heaven; and that light induces darkness, - as, also, is plain. In a word, the Intellectual is illustrated according to everyone's affection; for the affection of love is the life of the Intellectual, and the affection of love must he from heaven.