Romans 1:19
because what may be known about Him is plain to their inmost consciousness; for He Himself has made it plain to them.
Romans 1:20
For, from the very creation of the world, His invisible perfections--namely His eternal power and divine nature--have been rendered intelligible and clearly visible by His works, so that these men are without excuse.
John 1:9
The true Light was that which illumines every man by its coming into the world.
Acts 14:16-17
In times gone by He allowed all the nations to go their own ways;
Acts 17:23-30
For as I passed along and observed the things you worship, I found also an altar bearing the inscription, 'TO AN UNKNOWN GOD.' "The Being, therefore, whom you, without knowing Him, revere, Him I now proclaim to you.