Romans 1:5, 12, 20, 21

Through him we received grace and apostleship to call all the Gentiles to the obedience that comes from faith for his name’s sake.

that is, that you and I may be mutually encouraged by each other’s faith.

For since the creation of the world God’s invisible qualities—his eternal power and divine nature—have been clearly seen, being understood from what has been made, so that people are without excuse.

For although they knew God, they neither glorified him as God nor gave thanks to him, but their thinking became futile and their foolish hearts were darkened.