Galatians 3:12

Yet the law is not of faith, but "the man who does them shall live by them."

Surrounding context

3:11 But that no one is justified by the law in the sight of God is evident, for "the just shall live by faith."

3:12 Yet the law is not of faith, but "the man who does them shall live by them."

3:13 Christ has redeemed us from the curse of the law, having become a curse for us (for it is written, "Cursed is everyone who hangs on a tree" ),

Translation and sources