3593. 'And Isaac trembled very greatly' means the great change that accompanied the inversion of state. This is clear from the meaning of 'trembling' as a change that took place. Its accompanying the inversion of state is evident from what has been stated above about the two states a person passes through when being regenerated - the state before he has been regenerated and the state after. That is to say, in the state before he has been regenerated truths apparently have dominion, but in the state after he has been regenerated, truths give way and good acquires dominion - see what has often been shown already, in 1904, 2063, 2189, 2697, 2979, 3286, 3288, 3310 (end), 3325, 3330, 3332, 3336, 3470, 3509, 3539, 3548, 3556, 3563, 3570, 3576, 3579.

3286. 'On behalf of his wife because she was barren' means that the Divine Natural did not as yet exist. This is clear from the meaning of 'a wife' as Divine Truth joined to the Divine Good of the Rational, which Truth, as shown in the previous chapter, is represented by 'Rebekah'; and from the meaning of 'barren' as the non-existence as yet of the Divine Natural. For the truth of the matter is that the Divine Natural came into being from the Divine Good of the Rational as the father and from Divine Truth there as the mother. While the Divine Natural does not as yet exist the Truth of the Rational is called 'barren', here 'a barren wife'.

[2] In man's case the situation is that while he is being regenerated the Lord instills good, that is, goodwill to the neighbour, into his rational. This goodwill or good has truth from the natural man allied to it. Once this is completed his natural has still to be regenerated, as anyone may recognize from the fact that the internal or rational man often conflicts with the external or natural; and as long as conflict exists the natural is not regenerate. And while the natural remains unregenerate the rational as regards truth is barren. As is the case in general so it is similarly in every particular instance in which the rational does not agree with the natural; in every such instance the rational as regards truth is called barren.

[3] The work of regeneration revolves for the most part around making the natural man correspond to the rational man, not only in general but also in particular. And the natural man is brought into such correspondence by the Lord by means of the rational. That is to say, good is instilled into the rational, and within this good as the soil truths are planted, after which by means of rational truths the natural is brought into obedience. When it is obedient it in that case corresponds; and to the extent it corresponds a person has been regenerated.