Joseph Benson's Commentary of the Old and New Testaments - Galatians 4:4-7
Galatians 4:4-7. But when the fulness of time Appointed by the Father, (Galatians 4:2,) and marked out by the predictions of the prophets for the accomplishment of this great event; was come And we were arrived at the age proper for our entering on our adult state, and being put in possession of the promises, by the introduction of the gospel dispensation; God sent forth From heaven into our world; his Son Miraculously made, or rather, born, as the word γενομενον may, with equal... read more
Albert Barnes' Notes on the Whole Bible - Galatians 4:4
But when the fulness of the time was come - The full time appointed by the Father; the completion (filling up, πλήρωμα plērōma,) of the designated period for the coming of the Messiah; see the Isaiah 49:7-8 notes; 2 Corinthians 6:2 note. The sense is, that the time which had been predicted, and when it was proper that he should come, was complete. The exact period had arrived when all things were ready for his coming. It is often asked why he did not come sooner, and why mankind did not have... read more