Romans 1:19-21

19 Because what is known of God is manifest among them, for God has manifested [it] to them,

20 -- for from [the] world's creation the invisible things of him are perceived, being apprehended by the mind through the things that are made, both his eternal power and divinity, -- so as to render them inexcusable.

21 Because, knowing God, they glorified [him] not as God, neither were thankful; but fell into folly in their thoughts, and their heart without understanding was darkened