One reason we find sin appealing is because we fail to believe what God says in His Word. Today, R.C. Sproul outlines the close relationship between sin and unbelief.
We fundamentally, in our basic root nature, do not believe God. We may believe in God, but we don’t believe God. Because if we believe God—really believe God—why would we ever sin? What is it about sin that entices us to risk the displeasure of God, to act against God by choosing it?
Well, you say, “Well, we desire it, and we have such a desire for sin that we get caught up in that desire and so we choose sin.” But why do we desire it? Why does sin have such an appeal to us? Because we believe that if we commit the sin, we will be more happy than if we don’t commit the sin. It’s that simple, isn’t it, when it gets right down to the rock bottom?
We sin because we want to. We want to because we’re looking for an increase in our happiness, and we figure, “If I do it the way God says, I’m going to be somehow cheated or deprived out of personal happiness.” So, when I think that sin will make me happy, at that point, I simply don’t believe what God says about it.