251. The reason why the “serpent” means all evil in general, and specifically the love of self, is that all evil has had its rise from that sensuous part of the mind, and also from that memory-knowledge [scientifico], which at first were signified by the “serpent;” and therefore it here denotes evil of every kind, and specifically the love of self, or hatred against the neighbor and the Lord, which is the same thing. As this evil or hatred was various, consisting of numerous genera and still more numerous species, it is described in the Word by various kinds of serpents, as “snakes” “cockatrices” “asps” “adders” “fiery serpents” “serpents that fly” and “that creep” and “vipers” according to the differences of the poison, which is hatred. Thus we read in Isaiah:

Rejoice not thou, whole Philistia, because the rod which smiteth thee is broken, for out of the serpent’s root shall go forth a cockatrice, and his fruit shall be a flying fire-serpent (Isaiah 14:29).The “serpent’s root” denotes that part of the mind, or that principle, which is connected with the senses and with memory-knowledge [est sensuale et scientificum]; the “cockatrice” denotes evil originating in the falsity thence derived; and the “flying fire-serpent” the cupidity that comes from the love of self. By the same Prophet also similar things are elsewhere thus described:

They hatch cockatrice’s eggs, and weave the spider’s web; he that eateth of their eggs dieth, and when it is crushed there cometh out a viper (Isaiah 59:5).

The serpent described here in Genesis is called in the Revelation the “great and red dragon” and the “old serpent” and also the “devil and satan” that “deceives the whole world” (Revelation 12:3, 9; 20:2), where, and also in other places, by the “devil” is not meant any particular devil who is prince over the others, but the whole crew of evil spirits, and evil itself.

1608. 'And to your seed even for ever' means people who were to have faith in Him. This is clear from the meaning of 'seed' as faith, and indeed faith that is the expression of charity, dealt with already in 255, 256, 1025. That it was to His 'seed', that is, to those who have faith in Him, that the heavenly kingdom would be given, is quite clear from the Lord's own words in John,

The Father loves the Son and has given all things into His hand. He who believes in the Son has eternal life; but he who does not believe in the Son will not see life. John 3:35-36.

[2] And in the same gospel,

As many as received Him, to them He gave power to be sons of God, to those believing in His name, who were born not of blood, nor of the will of the flesh, nor of the will of man. John 1:12-13.

From these places it is clear what faith, or believing in Him, is, that is to say, that it resides with those who receive Him and believe in Him, and who are born 'not of the will of the flesh nor of the will of man'. 'The will of the flesh' is that which-is contrary to love and charity, for that is what 'flesh'' means, 999; and 'the will of man (vir)' is that which is contrary to faith stemming from love or charity, for this is what 'man' means. Indeed the will of the flesh and the will of man are such as cause division, whereas love and the faith that comes from it are such as serve to join. People therefore with whom love and the faith that comes from it reside are those who are 'born of God'. And because they are born of God they are called 'the sons of God' and are His 'seed' to whom the heavenly kingdom is given, which is the meaning in this verse of the statement, 'All the land which you see I will give to you, and to your seed even for ever'.

[3] The fact that the heavenly kingdom cannot be given to people whose faith is devoid of charity, that is, who say they have faith but hate their neighbour, may become clear to anyone provided he is willing to reflect on the matter. For there can be no life to such faith when hatred, that is, hell, constitutes the life, for hell consists solely of forms of hatred, not of those forms of it which a person receives through heredity but of the forms of the hatred which he has acquired to himself through his own actions in life.