6225. 'And Israel strengthened himself' means new powers received through spiritual good. This is clear from the meaning of 'strengthening oneself' as receiving new powers; and from the representation of 'Israel' as spiritual good from the natural, dealt with in 4286, 4598, 5801, 5803, 5806, 5812, 5817, 5819, 5826, 5833. The reason the new powers come through spiritual good is that in what has just been said Jacob is called Jacob but now he is called Israel; for this is what is said,

[Someone] told Jacob and said, Behold, your son Joseph has come to you; and Israel strengthened himself.

For 'Israel' is spiritual good from the natural, whereas 'Jacob' is the truth of the natural, and the truth of the natural, which is the truth of faith there, receives its strength through spiritual good, which is the good of charity. Also, 'Israel' is the internal aspect of the Church and 'Jacob' its external aspect, 4286, 4292, 4570. The external aspect of the Church derives its strength and receives its powers from nowhere else than its internal. The internal aspect of the Church exists among those governed by the good of charity, which is the good of faith, also the good of truth, and spiritual good as well, which are 'Israel'. But the external aspect of the Church exists among those governed by the truth of faith. They are not yet plainly governed by good; yet the truth they are governed by holds good within it, and this is 'Jacob'.

4319. Much experience has shown me that no man or spirit, or any angel, thinks, says, or does anything at all from himself, but from others. Nor are these others themselves the source of anything they think, say, or do but others again, and so on with these. Thus all, corporately and individually, think, speak, and act from the First Source of life, that is, from the Lord, no matter how completely they seem to do so independently, by themselves. This has often been shown to spirits who had believed during their lifetime, and had convinced themselves of the idea, that nothing lay outside themselves, that is, the whole source of their thought, speech, and activity lay within themselves and their own souls in which life has been implanted and shows itself. They have also been shown through actual experiences (such as one can have in the next life but are not possible in the world) that the source of evil people's thought, will, and action is hell, and the source of good people's is heaven, that is, the Lord through heaven; yet for all that, their evil or else their good seems to begin within those people themselves. This is something Christians know from teaching drawn from the Word, that is to say, the teaching that all evil comes from the devil and all good from the Lord. Yet there are few who believe it. And because they do not believe it they make their own the evils which they think, will, and do. They do not however make any good their own, for people who believe that the source of the good they do lies within themselves lay claim to it and attribute it to themselves, and in so doing place merit in it. They also know from what is taught in the Church that no one is able independently, by himself, to do anything good, insomuch that whatever originates in himself and in his proprium is evil, no matter how much it may seem to be good. This also few people believe, even though it is the truth.

[2] Evil people who have convinced themselves of the idea that they live independently by themselves, and therefore that whatever they think, will, and do begins in themselves, have declared, when shown that the truth of the matter is exactly as doctrine teaches, their readiness to believe it. But they have been told that knowing does not amount to believing, and that believing is something internal and cannot exist except within the affection for good and truth, and therefore can exist only with those who are governed by the good of charity towards the neighbour. Those same spirits, being evil ones, insisted that they were ready to believe it because they had seen it. But they were subjected to examination in a way commonly experienced in the next life, namely that of close inspection by angels. When they were inspected the upper part of their heads seemed to have been removed and their brains to be rough and hairy and also full of darkness. This showed the inner nature of people whose faith is no more than knowledge and not true faith, and that knowing something does not amount to believing it. For the heads of those who know and also believe look like human heads, and their brains look well-ordered, white, and shining, since heavenly light is received by them. But with those who merely know and imagine that in knowing they therefore believe, when in fact they do not believe because they lead an evil life, heavenly light is not received, nor consequently intelligence and wisdom which are present within that light. For this reason when they approach angelic communities, that is, heavenly light, it turns for them into darkness. This is why their brains are seen to be full of darkness.