Genesis 4:17
And Cain knew his wife; and she conceived, and bare Enoch: and he builded a city, and called the name of the city, after the name of his son, Enoch.
Cross-references
In Genesis 11:4, the builders of Babel echo Cain's impulse — constructing a city to make a name for themselves, a human attempt at permanence apart from God.
In 2 Samuel 18:18, Absalom erects a monument to preserve his name — the same human desire for legacy through naming that drives Cain to build a city for his son.
In Daniel 4:30, Nebuchadnezzar boasts 'Is not this great Babylon, which I have built!' — the same self-glorifying pride in human construction as Cain's city.
Psalm 49:11 says those who name lands after themselves end in graves — directly undermining the legacy-building impulse behind Cain's city.
Ecclesiastes 2:4-11 reflects on ambitious building projects as ultimately vanity — a philosophical counterpart to Cain's legacy-driven city construction.