We have the mark of the one whom we choose to obey. Those people who choose to obey sin have the mark of the beast. That mark shows that they belong to satan. People (who are genuine partakers of the New Covenant that was ratified by Christ's blood) walk in the newness of resurrection life; they obey God.
"Neither yield ye your members as **instruments of unrighteousness unto sin:** but yield yourselves unto God, as those that are alive from the dead, and **your members as instruments of righteousness unto God.** ...
Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness?" Rom 6:13-16 (KJV)
We must decide whom we will serve. Either we have the brand of The Creator of the heavens and the earth --Or, we have the brand of the beast. We decide who owns us --and that is a matter of life and death.
Harold and Donna Kupp
The Seven Deadly Deceptions Of Counterfeit Christianity http://www.freetruth.info