Galatians 3:17
And this I affirm, that the covenant which had been before confirmed by God with respect to Christ, the law, which was four hundred and thirty years after, could not annul so as to make the promise of no effect.
Acts 7:6-7
And God spoke thus: That his posterity should sojourn in a strange land, and they should enslave them and afflict them, for four hundred years.
Acts 7:17
And as the time of the promise which God had made with an oath to Abraham drew near, the people increased and multiplied in Egypt,
Hebrews 11:8-13
By faith Abraham, when called to go out into a place that he should afterward receive for an inheritance, obeyed; and he went out, not knowing whither he went.