Many atheists proclaim themselves to be bastions of reason and logic. They consider themselves to be free thinkers who are correct in their rejection of God. They believe themselves to be superior in their thinking when it comes to matters concerning God. That’s ironic since it can be easily demonstrated that 1. Many atheist claims are illogical and 2. an atheist cannot live consistently within an atheistic worldview. Since many will miss this second point, let me emphasize it by repeating it, atheists cannot live consistently within an atheistic worldview. In fact, no one can live consistently within an atheistic worldview. That is a sign that the atheistic worldview is not true.
Case in point: memes on morality and sin. They are problematic for atheists, though atheists apparently have not realized that yet. Let me explain why.
One of the proofs of God that Christians offer is the proof from morality, which can be stated as follows:
Major premise: If God does not exist, then objective moral values and duties do not exist.
Minor premise: Objective moral values and duties do exist
Conclusion: Therefore God Exists.
I will not expound or defend the argument here, I’ve previously done that in the article The Moral Argument – Revealer of Hypocrites which you can reference for further background. Here let me just note that for many the moral argument is one of the more powerful and persuasive of the arguments for the existence of God because everyone recognizes that we as humans are moral beings with moral obligations. How then do atheists, with all their presumed reason overcome this argument? They use their favorite tactic: denial.
Atheists deny that morality is related to God. Alternately they deny the related concept of sin. In denying sin they deny that a moral failing can lead to culpability, but in so doing, they also deny good and bad, right and wrong exists. Before we get to the contradiction here are some atheist memes that express these denials:
Atheists on Morality:
“Atheists believe morality to be a uniquely human trait
Therefore, we conduct ourselves ethically for it’s own sake. We seek no reward for ourselves nor punishment for others”

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Great article!
(In the first note Richard Dawkins’ surname is misspelled.)
Thanks, and corrected!
Some very necessary points were made, and some of them I have seen firsthand. It is interesting that atheists take a Saul Alinsky approach by trying to hold Christians to our own standard. One commented to a Christian, “How very Christian of you!” while making a straw man and hasty generalization of his portrayal of Christianity. Meanwhile, they have no absolute standard by which we can hold them accountable! Also, “You can’t sin if you don’t believe in God” is very superficial. It is like saying, “I don’t believe in oxygen” while using it. Oxygen doesn’t care if someone believes… Read more »
Sin≠immorality. Religious folk have this bizarre idea that sinning means you are immoral. I can be moral yet still sin. Do you wear mixed fabrics? If yes, you sin. BUT, I don’t think you would call yourself a bad person. Your preacher probably eats pork.
All sin is immorality. The question is, is all immorality also sin? Show me a case where immorality isn’t sin and perhaps I’ll agree with you. As it is you lack a basic understanding of Christian teaching on what is sin and what is not, so let me enlighten you. God promised Old Testament believers a new covenant. (Jer 31.31) Jesus put it into effect with the shedding of his blood. (Luke 22.20) The new covenant does away with many of the ceremonial aspects of the law (like not wearing clothing of mixed fabrics – that was an old testament… Read more »