Wow...you showed those religious nuts by putting a picture of a man who, while holding some radical views of Christianity, did consider himself to be a monotheist. Newton reiterated in writings, on many occasions, that he believed the universe to be divinly inspired and that all in it was under God's watch. Was he a Christian in the traditional sense, no, but he did not thumb his nose at God either and wrote volumes on religion and God--something as was a practice, it seems, for the scientifically inclined back then--they delved beyond the mechanics to consider the creator behind the mechanics. So many scientific minds back when seemed intent on proving the existence of God through science, not disproving it. Newton was so amazed at the design of what he uncovered that it reassured him that it had a designer, not the other way around.
Although the laws of motion and universal gravitation became Newton's best-known discoveries, he warned against using them to view the Universe as a mere machine, as if akin to a great clock. He said, "Gravity explains the motions of the planets, but it cannot explain who set the planets in motion. God governs all things and knows all that is or can be done."
--Tiner J.H.