671. 'Pairs of all you shall cause to enter the ark to keep them alive means the regeneration of these. This becomes clear from what has been stated in the previous verse, to the effect that truths cannot be regenerated except by means of goods and delights. Nor therefore can things of faith be regenerated except through those of charity. Hence the statement here about pairs of all having to enter, clearly meaning that both truths, which belong to the understanding, and goods, which belong to the will, were to do so. With someone who has not yet been regenerated an understanding of truth and a will for good do not exist but merely appear to do so, and are referred to as such in everyday speech. It is possible for rational truths and for facts to exist with that person, but these have no life. It is also possible for goods which merely look like those of the will, such as those present with gentiles or even with animals, to exist there. But these have no life either; they are merely semblances. With man such things are in no sense alive until he has been regenerated and they have in this way been made alive by the Lord. In the next life what has life and what does not is perceived very distinctly. Truth that has no life is perceived instantly as something material, all tangled and closed up, while good that has no life is perceived as something wooden, bony, and stone-like. But truth or good made alive by the Lord is open, living, and full of what is spiritual and celestial - open even from the Lord Himself. This applies to every idea and action, even to the smallest of either of them. This is why the statement is here made about pairs having to enter the ark to keep them alive.

909. 'Birds' means things of his understanding and 'beasts' those of his will, [both of] which belong to the internal man; and 'every creeping thing that creeps over the earth' means corresponding things of a like nature residing with his external man. This becomes clear from the meaning of 'a bird', dealt with already in 40, 776, and of 'a beast' in 45, 46, 142, 143, 246. That 'creeping thing that creeps over the earth' means corresponding things residing with the external man is clear from this. Indeed 'creeping thing that creeps' here stands in relation both to 'birds', or things of the understanding, and to 'beasts', or those of the will. The most ancient people used to call the sensory powers and the appetites of the body 'creeping things that creep' because they are indeed just like reptiles that creep along the ground. They also likened the human body to the earth or to the ground. Indeed they actually called it the earth or the ground, as in the present verse where nothing other than the external man is meant by 'the earth'.