What Does Genesis 45:27 Mean?

But when they told him all the words of Joseph, which he had said to them, and when he saw the wagons that Joseph had sent to carry him, the spirit of their father Jacob revived. The revival happens in two stages: the full words of Joseph (the complete message that the brothers relay, including the theological interpretation and the specific invitations) and the sight of the wagons. "When he saw the wagons": physical evidence that an Egyptian authority sent for him. Jacob cannot fabricate wagons; the brothers cannot have stockpiled Egyptian wagons to present as evidence; the wagons are proof that a powerful Egyptian official has sent for the family. And the only person who would send Egyptian wagons for Jacob is the person whose name the brothers spoke.

The wagons are the evidence that tips Jacob from numb disbelief to revival. Words can be fabricated; wagons from Egypt cannot. An old man who has lived by practical resourcefulness his whole life understands the logic of the wagons: someone in Egypt with significant resources and authority arranged for these wagons to be sent for me specifically. That person knows who I am. That person wants me in Egypt. That person's name is Joseph. The wagons are Joseph's physical testimony, sent in advance, to serve exactly this purpose: to revive his father's spirit when words were not enough.

"The spirit of their father Jacob revived": the Hebrew (watekhi ruach Ya'akov: and the spirit/breath of Jacob lived again) is the language of return from near-death. Jacob's spirit had "gone numb" in verse 26: the grief-death of a man whose grief framework collapsed. Now the spirit lives again: the man who said "if I am bereaved of my children, I am bereaved" is being revived by the news that the son he lost is alive. The revival of Jacob's spirit is the personal counterpart to Joseph's weeping: both responses are the release of twenty-two years of separation, one in tears and one in the return of life.