If knowledge is subjective and dependent on the will, then why isn't everyone right?
How does one determine if the believers will has been transformed by the grace of God, if it is subjective?
Knowledge isn't subjective.
Because the will is either damned by sin or regenerated by God. And He is always right.
And we know this because the Holy Spirit guides our understanding through Scripture.
How does one determine if the believers will has been transformed by the grace of God, if it is subjective?
Men are known to other men by their fruits.
You've heard all this before, Stu. Nothing's changed.