I do not frustrate the grace of God: for if righteousness come by the law, then Christ is dead in vain.
Galatians 3:6
Even as Abraham believed God, and it was accounted to him for righteousness.
Galatians 3:21
Is the law then against the promises of God? God forbid: for if there had been a law given which could have given life, verily righteousness should have been by the law.
Galatians 5:5
For we through the Spirit wait for the hope of righteousness by faith.