Genesis 15:13

“Then in the fourth generation they will return here, for the iniquity of the Amorite is not yet complete.”

And they said to Pharaoh, “We have come to sojourn in the land, for there is no pasture for your servants’ flocks, for the famine is heavy in the land of Canaan. So now, please let your servants live in the land of Goshen.”

So they appointed taskmasters over them to afflict them with hard labors. And they built for Pharaoh storage cities, Pithom and Raamses.

So the Egyptians brutally compelled the sons of Israel to slave labor;

So God heard their groaning; and God remembered His covenant with Abraham, Isaac, and Jacob.

“So I have come down to deliver them from the hand of the Egyptians and to bring them up from that land to a good and spacious land, to a land flowing with milk and honey, to the place of the Canaanite and the Hittite and the Amorite and the Perizzite and the Hivite and the Jebusite.

“So now, come and I will send you to Pharaoh, and so you shall bring My people, the sons of Israel, out of Egypt.”

“So I said, I will bring you up out of the affliction of Egypt to the land of the Canaanite and the Hittite and the Amorite and the Perizzite and the Hivite and the Jebusite, to a land flowing with milk and honey.”’

Now the time that the sons of Israel lived in Egypt was 430 years.

For He remembered His holy word With Abraham His servant;

“But God spoke in this way, that his seed would be sojourners in a foreign land, and that they would be enslaved and mistreated for four hundred years.

“But as the time of the promise was drawing near which God had assured to Abraham, the people increased and multiplied in Egypt,

And what I am saying is this: the Law, which came 430 years later, does not invalidate a covenant previously ratified by God, so as to abolish the promise.