Creepily enough, one of the most horrible people who ever lived spoke loftily about God as a way to disguise his true nature. The 700 Club has put together a powerful resource on this at:
Here are a few excerpts:
Was Adolf Hitler a Christian?
Throughout history, politicians have used religious language to win elections. One world leader was particularly good at it:
"In this hour I would ask of the Lord God only this: that He would give His blessing to our work, and that He may ever give ...