4 Bible Verses about Justification Excluding Boasting

Where then is the boasting [of the Jew]? It is excluded. By what law? Of works? No; but by the law of faith. We conclude then that a man is justified by faith without the works of the law.

For if Abraham was justified by works he has [occasion for] boasting, but not before God.

and the ignoble things of the world and things that are despised has God chosen, and things that are not, to destroy things that are,

For by grace are you saved through the faith; and that not of you; [it is] the gift of God;