CAIN AND HIS DESCENDANTS.
(17) Cain knew his wife. — As Jehovah had told Eve that He would “greatly multiply her conception” (Genesis 3:16), we cannot doubt but that a numerous offspring had grown up in the 130 years that intervened between the birth of Cain and that of Seth, the substitute for Abel. As a rule, only the eldest son is mentioned in the genealogies, and Abel’s birth is chronicled chiefly because of his tragical end, leading to the enactment of the merciful law which followed and to the sundering of the human race. One of Adam’s daughters apparently clave unto her brother, in spite of the solemn decree of banishment passed upon him, probably, by his father, and followed him in his wanderings as his wife, and bare him a son, whom they called “Enoch.” Now this name, in Hebrew Chanoch, is of the utmost importance in estimating Cain’s character. It means train in Proverbs 22:6 (“Train up a child”), but is used in Deuteronomy 20:5 of the dedication of a house; and thus Cain also calls his city “Enoch,” dedicated. But in old times the ideas of training and dedication were closely allied, because teaching generally took the form of initiation into sacred rites, and one so initiated was regarded as a consecrated person. Though, then, the wife may have had most to do with giving the name, yet we see in it a purpose that the child should be a trained and consecrated man; and Cain must have now put off those fierce and violent habits which had led him into so terrible a crime. We may add that this prepares our minds for the rapid advance of the Cainites in the arts of civilisation, and for the very remarkable step next taken by Cain.
He builded a city. — Heb., was building, that is, began to build a city. There was not as yet population enough for a city, but Cain, as his offspring increased, determined that they should dwell together, under training, in some dedicated common abode. He probably selected some fit spot for the acropolis, or citadel, to be the centre of his village; and as training is probably the earlier, and dedication the later meaning, Cain appears as a wise ruler, like Nimrod subsequently, rather than as a religious man. His purpose was much the same as that of the builders of the Tower of Babel, who wanted to keep mankind together that they might form a powerful community. It is worth notice that in the line of Seth, the name of the seventh and noblest of that race, is also Enoch, whose training was a close walk with God.