Romans 1:18-20
(Romans 1:18-20)
“For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness;
Because that which may be known of God is manifest in them; for God hath showed it unto them.
For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse::”
Though the God who in Himself is invisible and unknowable made himself both visible and unknowable through what He has made. The creation is a visible disclosure of invisible God, an intelligible disclosure of the otherwise unknown God. The divine artist has revealed himself in his creation
It is that knowledge of God which is available to us through to the natural order.
So the mankind has no excuse