4 Bible Verses about Justification Excluding Boasting

Where is boasting then? It is excluded. By what law? of works? No, but by the law of faith. Therefore, we conclude that a man is justified by faith without the deeds of the law.

For if Abraham were justified by works, he has reason to glory in himself, but not before God.

and that which is vile of the world and that which is despised God has chosen, and things which are not, to bring to nought the things that are,

For by grace are ye saved through faith and that not of yourselves: it is the gift of God,