Of old, God complained to an apostate Israel, “…thou thoughtest that I was altogether as thyself.” (Psalm 50:21). Such must now be His indictment against an apostate Christendom. Men imagine that the Most High is moved by sentiment, rather than actuated by principle. They suppose that His omnipotency is such an idle fiction that Satan is thwarting His designs on every side. They think that if He has formed any plan or purpose at all, then it must be like theirs, constantly subject to change. They openly declare that whatever power He possesses must be restricted, lest He invade the citadel of man’s “free will” and reduce him to a “machine”. They lower the all efficacious Atonement, which has actually redeemed everyone for whom it was made, to a mere “remedy”, which sin-sick souls may use if they feel disposed to; and they enervate the invincible work of the Holy Spirit to an “offer” of the Gospel which sinners may accept or reject as they please.”
That is some heady stuff.
I highly recommend reading the Attributes of God by A.W. Pink – it is a slim but fascinating read. (You may read it free online by clicking the link)