Galatians 3:17

Now this I say, the covenant confirmed of God to Christ, the law, which was given three hundred and thirty years after, cannot disannul, so as to vacate the promise.

Acts 7:6-7

Then spake God to him thus, That his seed should sojourn in a foreign land: and that they should enslave it, and grievously afflict it, four hundred years.

Acts 7:17

But as the time of the promise which God had with an oath confirmed unto Abraham drew nigh, the people increased and multiplied in Egypt,

Hebrews 11:8-13

By faith Abraham, called to go forth unto a place which he should in future obtain as an heritage, obeyed; and he went forth, not knowing whither he was going.

Treasury of Scripture Knowledge

Summary

And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;

Bible References

Thy

Acts 7:6
Then spake God to him thus, That his seed should sojourn in a foreign land: and that they should enslave it, and grievously afflict it, four hundred years.
Hebrews 11:8
By faith Abraham, called to go forth unto a place which he should in future obtain as an heritage, obeyed; and he went forth, not knowing whither he was going.

Four

Galatians 3:17
Now this I say, the covenant confirmed of God to Christ, the law, which was given three hundred and thirty years after, cannot disannul, so as to vacate the promise.