Romans 1:18-20

The wrath of God is being revealed from heaven against the godlessness and wickedness of men who suppress the truth with their wickedness, since what may be known about God has been made plain to them, because God has made it plain to them. For since the creation of the world God's invisible qualities - His eternal power and divine nature - have been clearly seen, being understood from what has been made, so that men are without excuse.