Unbelief Is Ingratitude

In Romans 1:18-25, the Apostle Paul gave this description of the unbeliever: "The wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth. For what can be known about God is plain to them, because God has shown it to them. For His invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse. For although they knew God, they did not honor Him as God or give thanks to Him, but they became futile in their thinking, and their foolish hearts were darkened. Claiming to be wise, they became fools, and exchanged the glory of the immortal God for images resembling mortal man and birds and animals and creeping things. Therefore God gave them up in the lusts of their hearts to impurity, to the dishonoring of their bodies among themselves, because they exchanged the truth about God for a lie and worshiped and served the creature rather than the Creator, who is blessed forever! Amen." 

He tells us several surprising things. First of all, unbelief is not ignorance. God has so revealed Himself that no man can claim that he does not know about God (see, for example, Psalm 19:1-4). There is no such thing as an atheist. Every single human being who lives now, has ever lived, or will ever live, knows that God exists and that he is accountable to Him. 

Which leads us to the second surprise, that men hate that knowledge, and try to suppress it. That is the origin of both pagan religions and atheism, the heart of the unbeliever's effort to bury the knowledge of God, in order to remain free to imagine that he is sovereign over his life and can decide right and wrong for himself. 

This hatred of God, commonly called unbelief, expresses itself in the use of God's gifts, such as the air we breathe, the food we eat, and the water we drink, while crediting it to ourselves or to some other source apart from God. Unbelief is founded on ingratitude! 

"Such a conduct as the generality of men are guilty of towards God, continually and through all ages, in innumerable respects, would be accounted the most vile contemptuous treatment of a fellow creature, of distinguished dignity. Particularly men's treatment of the offers God makes of Himself to them as their friend, their Father, their God, and everlasting portion; their treatment of the exhibitions He has made of His immeasurable love, and the boundless riches of His grace in Christ, attended with earnest repeated calls, counsels, expostulations, and entreaties; as also of the most dreadful threatenings of His eternal displeasure and vengeance" (Jonathan Edwards, "Original Sin," Book 1, section 5).