Romans 1:19
because what can be known of God is clear to their inner moral sense; for in this way God Himself has shown it to them.
Romans 1:20
Forever since the creation of the world, His invisible characteristics -- His eternal power and divine nature -- have been made intelligible and clearly visible by His works. So they are without excuse,
John 1:9
The real light, which sheds light upon everyone, was just coming into the world.
Acts 14:16-17
In ages past He let all the heathen go on in their own ways;
Acts 17:23-30
For as I was going here and there and looking at the things you worship, I even found an altar with this inscription, 'TO AN UNKNOWN GOD.' So it is about the Being whom you are in ignorance already worshiping that I am telling you.