2435. 'That I will not overthrow the city of which you have spoken' means that this being so he would not perish, that is to say, the person with whom the truth which has good within it is present. This is clear from the meaning of 'a city' as truth, dealt with in 402, 2268, 2428. From most ancient times men have argued about which is the firstborn of the Church, whether charity or faith. The reason is that man is regenerated and made a Church by means of the truths of faith. But people who have given preference to faith and made it the firstborn have all sunk into heresies and falsities, and at length have annihilated charity altogether. One reads of Cain, for example, by whom a faith such as this is meant, that he at length killed Abel his brother, who means charity. One reads after this of Reuben, Jacob's firstborn, by whom also faith is meant; but he defiled his father's couch, Genesis 35:22; 49:4, as a result of which he was disgraced and the birthright passed to Joseph, Genesis 48:15; 1 Chronicles 5:1.

[2] This was the origin in the Word of all the disputes, and also the laws concerning the birthright. The reason for this controversy was that people did not know, even as it is not known today, that the amount of faith a person has depends on the amount of charity there is in him, and while a person is being regenerated charity offers itself to faith, or what amounts to the same, good offers itself to truth, and implants and accommodates itself in every part of it, and also in so doing causes faith to be faith. This being so, charity is really the firstborn of the Church, though to man it seems to be otherwise; see also 352, 367. But because these matters are the subject in many places after this, more in the Lord's Divine mercy will be said when those places are reached.

367. Apart from showing that charity is the 'brother' of faith and that 'field' means all that comprises doctrine, there is no need to confirm these considerations from similar usages in the Word. That charity is the brother of faith may be clear to anyone from the very nature or essence of faith. The brother relationship between these two was also represented by Esau and Jacob, and was the reason why they struggled for the birthright and the superior position this carried with it. The relationship was also represented by Perez and Zerah, the sons Tamar had by Judah, Genesis 38:28-30, where again the question of primogeniture arises. It was represented by Ephraim and Manasseh as well, Genesis 48:13-14, wherein a similar way the matter of the birthright and the higher position it carried occurs. And there are many other examples. Indeed these two, faith and charity, are both the offspring of the Church. Faith is called 'a man' (vir), as Cain is in verse 1 of this chapter, while charity is called 'a brother', as in Isaiah 19:2; Jeremiah 17:14 and in other places. In Amos 1:9 the union of faith and charity is called 'a covenant between brothers'.

[2] As has been stated, that which Jacob and Esau represented was similar to the meaning of Cain and Abel. The fact that Jacob in a similar manner wished to supplant Esau is also clear in Hosea,

He will make a visitation on Jacob over his ways and requite him according to his deeds; in the womb he supplanted his brother. Hosea 12:2-3.

But the fact that Esau, that is, charity represented by Esau, would nevertheless be the superior is clear from the prediction made through their father Isaac,

By your sword will you live, and you will serve your brother; but when you have dominion over him you will cast away his yoke from above your neck. Genesis 27:40.

Or what amounts to the same, a gentile or new Church is represented by Esau, and the Jewish Church by Jacob. This is why it was stated so many times that they were to recognize gentile nations as brothers. Charity was also the reason for everyone being referred to as 'a brother' in the gentile or Primitive Church, and for the Lord calling 'brothers' those who hear the Word and do it, Luke 8:21. Hearers of it are those who have faith, doers those who have charity. But those who are hearers, that is, say they have faith, but are not doers, that is, have no charity, are not brothers, for the Lord likens them to the foolish, Matthew 7:24, 26.