Romans 1:20

1:20 For since the creation of the world his invisible attributes – his eternal power and divine nature – have been clearly seen, because they are understood through what has been made. So people are without excuse.

Romans 4:12

4:12 And he is also the father of the circumcised, who are not only circumcised, but who also walk in the footsteps of the faith that our father Abraham possessed when he was still uncircumcised.

Romans 14:4

14:4 Who are you to pass judgment on another’s servant? Before his own master he stands or falls. And he will stand, for the Lord is able to make him stand.