The Apostle Paul
Galatians 3:22BSB·traditional attribution

But the Scripture pronounces all things confined by sin, so that by faith in Jesus Christ the promise might be given to those who believe.

John Calvin Reformed @genevareformer

22. The Scripture hath concluded. By the word Scripture is chiefly intended the law itself. It “hath concluded all under sin,” and therefore, instead of giving, it takes away righteousness from all. The reasoning is most powerful. “You seek righteousness in the law: but the law itself, with the whole of Scripture, leaves nothing to men but condemnation; for all men, with their works, are...

Matthew Henry Presbyterian @wholebiblehenry

The apostle having just before been speaking of the promise made to Abraham, and representing that as the rule of our justification, and not the law, lest they should think he did too much derogate from the law, and render it altogether useless, he thence takes occasion to discourse of the design and tendency of it, and to acquaint us for what purposes it was given.

Commenting on Galatians 3:19-29

John Gill Reformed Baptist @doctorgill

But the Scripture hath concluded all under sin,.... By the "Scripture" is meant, either the writing of the law in particular, the killing letter, or the whole Scripture, or God in it; and who by and in it has shown, declared, and proved, that all the individuals of human nature, Jews and Gentiles, and all that is in them, and done by them, are under...