Romans 1:19
because that which is known of God is manifest to them; for God has showed it unto them.
Romans 1:20
For the invisible things of him, his eternal power and divinity, are clearly understood by the creation of the world and by the things that are made so that there is no excuse;
Psalm 19:1-6
The heavens declare the glory of God; and the firmament shows the work of his hands.
Isaiah 40:26
Lift up your eyes on high and behold who has created these things; he brings out his host by number; he calls them all by their names; none shall be lacking by the greatness of his might and by the strength of his power.
Jeremiah 10:10-13
But the LORD God is the Truth, he himself is Living God and Everlasting King: at his wrath the earth trembles, and the Gentiles shall not be able to abide his indignation.
John 1:9
That Word was the true Light, which lightens every man that comes into this world.
Acts 14:16-17
who in generations past suffered all the Gentiles to walk in their own ways.
Acts 17:23-30
For as I passed by and beheld your sanctuaries, I found an altar with this inscription, TO THE UNKNOWN GOD. Whom therefore ye ignorantly worship, him I declare unto you.