The first lawbreaking occurs. And then what unfolds?
We begin to see a fulfilling of the instruction that God undoubtedly gave them as a part of what we see there in Genesis 2:16-17 - which I am sure is just an encapsulation of all of the other instruction that He also gave them. What we see in chapter 3 is an unfolding of the result that takes place whenever lawbreaking occurs. And we see again the reaction of the supreme Governor of everything; and He shows us, then, another function of government in the way that He reacts.
The Governor - the Government - reacts by making a judgment and issuing a sentence. So we see here that another purpose, or responsibility, of government is to enforce its rules. We also see the warning that, because of law , the process toward disorganization will be sped up. That is what we begin to see, especially in those things regarding the curse that came upon Eve and then Adam. Especially the one with Adam - cursed is the ground for your sake.
There are two things that happened here that changed our relationship with God and each other. They go hand-in-hand with what has been the point so far in this sermon, because they are both, perhaps, the most significant part of the problems we face today. There is failure to stand by the decisions not to be disturbed in the truth of God's Word. And there is a drive away from God by Satan's own self-deception of, This is your right!
Brethren, we live in such divisive times that are only getting worse as rights are being demanded, and the making of decisions that are not built on truth, but on what is best for our side and convincing others that it is to ensure our rights! Do we really think that we can make proper decisions based on the truth of God's Word as long as we hold on to the this is my right, attitude that is trumpeted all around us throughout this world from all sides?