4 Bible Verses about Justification Excluding Boasting

Then where is boasting? It is excluded. By what law? of works? No; but by the law of faith. For we conclude that a man is justified by faith without works of law.

For if Abraham were justified by works, he has glorification; but not before God.

and God has chosen the base-born of the world, and those of no reputation, the things which are not, that He may set at nought the things which are,

For by grace you have been saved through faith; and that not of yourselves: it is the gift of God: