Galatians 4:4
But when the fullness of the time came, God sent out his Son, born to a woman, born under the law,
Paul urges a fullness time that is embodied in relationships and commitments. Galatians 4:4: trace "born" and "when". Choose fullness time in what we refuse to say—bind joy to obedience.
Galatians speaks here as epistle/letter writing, naming fullness time. Placed in ch. 4, the nearby lines set its tone. The nearby sentences supply the texture.