I said our wills are free, I did not say we were omnipotent. Will and capability are two different issues. We can will anything that can be thought of, but that has nothing to do with what will happen.
Then human will isn't free. Quite the opposite -- it's constrained by divinely-set parameters. Lets see what your bible has to say about human "free" will:
He turned their heart to hate His people, to plot against His servants. (Psalm 105:25)
All abiding on the earth are reckoned as naught: According to His will is He doing...with those abiding on the earth. (Daniel 4:35)
Consequently, then, it is not of him who is willing, nor of him who is racing, but of God, the Merciful. (Rom 9:16)
Consequently, then, to whom He will, He is merciful, yet whom He will, He is hardening. (Rom 9:18)
Has not the potter the right over the clay, out of the same kneading to make one vessel, indeed, for honor, yet one for dishonor? (Rom 9:21)
The mind of man plans his way, but the Lord directs his steps (Prov 16:9)
The lot is cast into the lap, but its every decision is from the Lord (Prov 16:33)
Many are the plans in a man's heart, but the counsel of the Lord will be established (Prov 19:21)
Man's steps are ordained by the Lord (Prov 20:24)
The king's heart is like channels of water in the hand of the LORD; He turns it wherever He wishes. (Prov 21:1)
For it is God who is at work in you, both to will and to work for His good pleasure. (Phil 2:13)
all things through Him did happen, and without Him happened not even one thing that hath happened. (John 1:3)
I know, O LORD, that a man's life isn't his own; it is not for man to direct his steps. (Jer 10:23)
But whoever lives by the truth comes into the light, so that it may be seen plainly that what he has done has been done through God. (John 3:21)
Are not two sparrows sold for a penny? Yet not one of them will fall to the ground apart from the will of your Father. (Matthew 10:29)
In Him we were also chosen, having been predestined according to the plan of Him who works out everything in conformity with the purpose of His will, (Eph 1:11)
You are worthy, our Lord and God, to receive glory and honor and power, for You created all things, and by Your will they were created and have their being. (Rev 4:11)
There are different kinds of working, but the same God works all of them in all men. (1 Cor 12:6)
From one man He made every nation of men, that they should inhabit the whole earth; and He determined the times set for them and the exact places where they should live. (Acts 17:26)
Indeed Herod and Pontius Pilate met together with the Gentiles and the people of Israel in this city to conspire against Your holy servant Jesus, whom You anointed. They did what Your power and will had decided beforehand should happen. (Acts 4:27-28)
Who has withstood His intention? (Rom 9:19)
For the Lord of Hosts has planned it, who can frustrate it? (Is. 14:27)
God locks up all together in stubbornness, that He should be merciful to all (Rom 11:32)
We cannot arrange our case because of darkness (Job 37:19)
Don't you believe that I am in the Father, and that the Father is in Me? The words I say to you are not just My own. Rather, it is the Father, living in Me, who is doing His work. (John 14:10)
Jesus gave them this answer: 'I tell you the truth, the Son can do nothing by Himself; He can do only what He sees His Father doing, because whatever the Father does the Son also does.' (John 5:19)
If even Jesus didnt operate apart from Gods will, what Christian who believes what their bible tells them can possibly insist they can do otherwise?