Galatians 3:17
But this I say: A covenant previously confirmed by God, the law, which came into existence four hundred and thirty years later, does not invalidate, that it should make the promise of no effect.
Acts 7:6-7
And God spake thus; that his seed would be a sojourner in a foreign land; and they would bring it into servitude, and ill-use it four hundred years.
Acts 7:17
But, as the time of the promise which God promised to Abraham was drawing nigh, the people increased and were multiplied in Egypt,
Hebrews 11:8-13
By faith Abraham, when called, obeyed to go forth into the place which he was about to receive for an inheritance; and he went forth, not knowing whither he was going.