Acts 7:6
And God spoke to this effect--that his offspring would be sojourners in a land belonging to others, who would enslave them and afflict them four hundred years.
Genesis 15:13
Then the LORD said to Abram, "Know for certain that your offspring will be sojourners in a land that is not theirs and will be servants there, and they will be afflicted for four hundred years.
Genesis 15:16
And they shall come back here in the fourth generation, for the iniquity of the Amorites is not yet complete."
Exodus 12:40-41
The time that the people of Israel lived in Egypt was 430 years.
Galatians 3:17
This is what I mean: the law, which came years afterward, does not annul a covenant previously ratified by God, so as to make the promise void.