Romans 4:4

4:4 Now to the one who works, his pay is not credited due to grace but due to obligation.

Romans 5:20

5:20 Now the law came in so that the transgression may increase, but where sin increased, grace multiplied all the more,

Romans 6:14

6:14 For sin will have no mastery over you, because you are not under law but under grace.

Romans 16:20

16:20 The God of peace will quickly crush Satan under your feet. The grace of our Lord Jesus be with you.