243. That the understanding can be raised into the light of heaven, that is, into angelic wisdom, while the will cannot be raised into the heat of heaven, that is, into angelic love, unless man flees from evils as sins and looks to the Lord, has been made plainly evident to me from experience in the spiritual world. I have frequently seen and perceived that simple spirits, who knew merely that God is and that the Lord was born a man, and who knew scarcely anything else, clearly apprehended the arcana of angelic wisdom almost as the angels do; and not these simple ones alone, but many also of the infernal crew. These, while they listened, understood, but not when they thought within themselves; for while they listened, light entered from above, and when they thought within themselves, no light could enter except that which corresponded to their heat or love; consequently when they had listened to and perceived these arcana, as soon as they turned their ears away they remembered nothing, those belonging to the infernal crew even rejecting these things with disgust and utterly denying them, because the fire of their love and its light, being delusive, induced darkness, by which the heavenly light entering from above was extinguished. 244. The same thing happens in the world. A man not altogether stupid, and who has not confirmed himself in falsities from the pride of self-intelligence, hearing others speak on some exalted matter, or reading something of the kind, if he is in any affection of knowing, understands these things and also retains them, and may afterwards confirm them. A bad man as well as a good man may do this. Even a bad man, though in heart he denies the Divine things pertaining to the church, can still understand them, and also speak of and preach them, and in writing learnedly prove them; but when left to his own thought, from his own infernal love he thinks against them and denies them. From which it is obvious that the understanding can be in spiritual light even when the will is not in spiritual heat; and from this it also follows that the understanding does not lead the will, or that wisdom does not beget love, but only teaches and shows the way, - teaching how a man ought to live, and showing the way in which he ought to go. It further follows that the will leads the understanding, and causes it to act as one with itself; also that whatever in the understanding agrees with the love which is in the will, the love calls wisdom. In what follows it will be seen that the will does nothing by itself apart from the understanding, but does all that it does in conjunction with the understanding; moreover, that it is the will that by influx takes the understanding into partnership with itself, and not the reverse.