Romans 2:16

2:16 on the day when God will judge the secrets of human hearts, according to my gospel through Christ Jesus.

Romans 4:1

The Illustration of Justification

4:1 What then shall we say that Abraham, our ancestor according to the flesh, has discovered regarding this matter?

Romans 8:12

8:12 So then, brothers and sisters, we are under obligation, not to the flesh, to live according to the flesh