Romans 1:19
For what is known about God is plain to these people [i.e., to the Gentiles], because God has made it clear to them.
Romans 1:20
For since the creation of the world, God's invisible qualities of eternal power and divine nature have been clearly seen, [capable of] being perceived through the things that He has made. So, these people have no excuse [i.e., for not believing in Him].
John 1:9
[Now] the true Light, who enlightens all mankind, was [indeed] coming into the world [i.e., to earth].
Acts 14:16-17
God allowed all nations to go their own way in past generations,
Acts 17:23-30
For as I traveled along [your streets] and observed what you are worshiping, I saw an altar with the inscription: [DEDICATED] TO AN UNKNOWN GOD. So, what you are worshiping ignorantly is what I am telling you about.