6648. 'And multiplied and became very very numerous' means that they increased enormously in truths from good. This is clear from the meaning of 'multiplying' as increasing in truths, dealt with in 43, 55, 913, 983, 2846, 2847; and from the meaning of 'became numerous' as further branching out, thus a constant increase in truth. The reason why it is an increase in truth from good is that the subject now is the Church when it has been established. For so far as the establishment of the Church with a person is concerned, it happens as follows: While it is being established the person is governed by truths, and through them good increases. But once the Church has been established with him he is governed by good, and from good by truths, which are then constantly increasing. Little increase takes place while he lives in the world, because in the world concerns about food and clothing and about other matters prevent it. But in the next life the increase is vast, and goes on for evermore; for there is no end to wisdom from the Divine. In this way the angels are constantly being made more perfect, and in that same way all entering the next life are made into angels; for every aspect of wisdom is capable of infinite expansion and the aspects of wisdom are infinite in number. From this it may be seen that wisdom can go on increasing for evermore and still not reach very far beyond the first degree, the reason for this being that the Divine is the Infinite, and what has its origin in the Infinite is inevitably like that.

43. Verse 22 And God blessed them, saying, Be fruitful and multiply, and fill the waters in the seas; and let birds be multiplied upon the earth.

Everything that has life in it from the Lord is fruitful and multiplies without limit. This does not happen during a person's lifetime, but in the next life it does so to an astonishing extent. In the Word 'to be fruitful' has reference to matters of love, while 'to multiply' has reference to matters of faith. The fruit of love contains the seed by which it multiplies itself to so great an extent. The Lord' s blessing also means, in the Word, fruitfulness and multiplication, for they are the outcome of that blessing.

Verse 23 And there was evening, and there was morning, a fifth day.