Based on a definition found at Merriam-Webster, my knowledge/belief of the Bible; and other Evangelical’s opinion on the question, I confidently state my conviction that God is self-sufficient.
My response to pop culture products that clash with my religious beliefs has been an ever changing process, and likely will continue to be, though it can now be summed up in two words: Identify and Avoid.
He further points out that Jesus knew people’s thoughts (Matthew 9:4; Mark 2:8; Luke 6:8) and so did God (Genesis 6:5; Psalm 139), but he was not aware of any place in Scripture where we learn that demons can do the same thing.