Galatians 3:17
I mean this: The law which was given four hundred and thirty years later could not annul the contract which had already been ratified by God, so as to cancel the promise.
Acts 7:6-7
This is what God promised: 'His descendants will be strangers living in a foreign land, and its people will enslave and oppress them for four hundred years.'
Acts 7:17
As the time approached for realizing the promise which God had made to Abraham, the people multiplied and became more numerous in Egypt,
Hebrews 11:8-13
By faith Abraham, on being called, obeyed in starting off for a country which he was to receive as his own, and he did it in spite of the fact that he did not know where he was going.