Something confuses me. God is omniscient, meaning He knows everything, including our decisions in life. God says we have free will, but how is that so if I can't make the choice to not do something ...
Inspired by this answer, Jesus talks about this authority in John 10:18 (NIV): No one takes it from me, but I lay it down of my own accord. I have authority to lay it down and authority to take it ...
To clarify the question - when I mention God here I am referring to God the Father and by free will, the best non-contradictory definition according to the Bible I have heard is "the ability to act ...