Basically this question is asking why God created Adam and Eve knowing that they would sin, but did God know that Adam and Eve would sin? Because God is omniscient (all-knowing) he most certainly knew that they would indeed sin, God has foreknowledge of the future
(1 John 3:19-20, Psalm 139:2-4, Proverbs 5:21, Job 37:16 and 147:5, Isaiah 46:9-10). Subsequently we should then as why he then created them (us)?
From scripture we can see that God knows the future, the present and the past. God’s understanding and knowledge is infinite, there is not a thing that he doesn’t know. According to Isaiah he is also in control of everything:
“Declaring the end from the beginning, and from ancient times the things that are not yet done, saying, My counsel shall stand, and I will do all my pleasure”
With the above known we can clearly see that God does know everything, that he knew Adam and Eve would sin, and that Lucifer would fall for pride (and from Heaven) and become known as Satan. This all comes with the package of being omniscient. God is also clearly in control of everything, so Adam and Eve, as well as Satan are never out of His control.
Then why did God create Adam and Eve?
Although “why” is an important question to ask, it is also a tough one to answer, however we can by analyzing certain Bible verses and scripture manage to answer the question. If God is omniscient, which He is (as illustrated above), then He obviously knew about Adam and Eve, as well as Satan and what would happen when He created them, therefore from this we can deduce that this must have been part of God’s ultimate plan.
Although Adam and Eve sinned, this does not mean that God is the author of sin, or that He created it. God also did not tempt Adam and Eve to sin, it was their choice (Satan had a major influence). Therefore, the fall of mankind must have some ultimate purpose, otherwise God would not have planned for it to happen, and it would not have happened.
We can also see, in Acts, that the crucifixion of Jesus Christ was also planned by God:
“Him, being delivered by the determinate counsel and foreknowledge of God, ye have taken, and by wicked hands have crucified and slain.”
God had planned for Christ to be atonement and salvation for our wicked and rebellious ways. This was foreknown and foreordained by God.
So then why did God create mankind with this knowledge? Why did he create people with the foreknowledge that they would go to Hell, or to Heaven?
The only answer that could possibly fit the question is that God created the world in which his glory could be shown to its fullest and in all its fullness. The glory of God is the main component of his creation. This is clearly exhibited and supported by scripture:
“The heavens declare the glory of God; and the firmament sheweth his handywork.”
“And the city had no need of the sun, neither of the moon, to shine in it: for the glory of God did lighten it, and the Lamb is the light thereof.”
And changed the glory of the uncorruptible God into an image made like to corruptible man, and to birds, and fourfooted beasts, and creeping things.
We must note that without the fall of mankind, God’s glory, mercy and wrath cannot be seen or understood. A quick view of the narrative of man would go as follows:
When man fell, mercy was shown immediately when God did not kill Adam and Eve on the spot, although he could have done so. God was merciful when he saved Noah and his family, God also exercised his righteous judgment during the flood. This wrath and righteous judgment will be further displayed at the end of history and time when he deals with Satan and banishes Him (Revelation 20:7–10).
God’s glory was furthermore displayed when he redeemed mankind form eternal separation and punishment. His wrath, mercy, love and grace were displayed through the cross and crucifixion of his son Jesus Christ. None of this could have been done if Adam and Eve did not eat of the forbidden fruit, and if Satan did not fall from Heaven. It was all part of God’s plan to express his glory, love, mercy, wrath and righteousness.
Then one may, as a result, ask if God’s plan violates our freewill and our freedom. How can man be responsible for sin if it was foreknown by God?
God was so articulate and so precise with his plan that it did not have an impact on our freewill, God has ordained future events in a way that they have no impact on our freewill, and that our freewill is preserved. This is described by many theologians as “concurrence”, whereby God’s plan unfolds in a way that does not edit or alter or violate our freewill. Our choices, and decisions are not influenced by any other source but our own minds.
To conclude this point we can see that God knows everything and is in control of everything. He knew that man would fall, and he knew that Satan would influence many in this world. This was all part of his plan to manifest his glory, righteousness, mercy, wrath and love to the fullest. God has also planned this in a way that it has no direct influence or impact on our freewill, a term defined as concurrence.