Salvation is of the Jews, but neither the Jew nor the Gentile is saved by keeping the law but by Christ's (substitutionary) death and resurrection alone.
Romans 5:10 NASB - For if while we were enemies we were reconciled to God through the death of His Son, much more, having been reconciled, we shall be saved by His life.
Romans 5:10 NASB - For if while we were enemies we were reconciled to God through the death of His Son, much more, having been reconciled, we shall be saved by His life.