God concludes His personal revelation to us--His written Word--with a warning, a promise and an invitation.
The first time Jesus came--by birth--few people witnessed the event. During His time on earth, few recognized Him as the world's Savior. Yet, when He sets foot on earth again, all will witness His return (Revelation 1:7); no one will mistake His identity.
Considering the apparent wealth and prosperity of many people in the world, it's easy to dream of getting in on the action--particularly if you feel that you're missing out. But even those who enjoy worldly "success" seldom seem to be satisfied.
Considering some of the horrendous events described in Revelation, many people have difficulty understanding God's love in light of His judgments. But just a glimmer of God's perfect character and infinite goodness exposes the terrible reality of sin and how repulsive it is to God.
You've probably seen or heard the number used somewhere other than the Bible--perhaps in literature, movies or other media--referring to something sinister or ultimately evil. Christians often call it "the mark of the beast": 666.