There has been almost an infinite amount of speculation about the meaning of the mark of the beast. The book of Revelation is full of contrasting images that revolve around the distinction between the Lamb and the dragon. Followers of the Lamb are the 144,000 who receive the seal of God; followers of the dragon receive the polar opposite – the mark of the beast. Perhaps the best place to understand the meaning of the 666 then is to first discover what God’s seal refers to.