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 10:9

10:9 because if you confess with your mouth that Jesus is Lord and believe in your heart that God raised him from the dead, you will be saved.

Romans 15:8

15:8 For I tell you that Christ has become a servant of the circumcised on behalf of God’s truth to confirm the promises made to the fathers,