You see flesh and blood alone cannot do it, but God's Spirit when we ask Jesus Christ into our heart, He launch the power of His Spirit; keeps us, maintain our integrity, co-rule in Christ, reign/rule our planet, bring the earth into subjection under our control, conquer it that good men may have dominion over all its inhabitants that God created including the devil/Satan. Yes, he is a created being so he too should be subject to our "good men" dominion also! (Ezekiel 28:15) & (Genesis 1:27-28) and Jesus Christ our Lord & Savior gave us back Dominion, because Jesus won at the cross, that's the one thing Satan does not want believers/ "good men" to claim, know and believe. All of us the new Adams in Christ has to do; is declare it, claim it and go to battle! God is in us and with us (John 14:16-21) read it! We sons born in Christ with his armor we can take back our earth. We as Jesus Christ followers is to obey God and not stoop to sin and we can have our dominion again and our Peace on this Earth! Hmm? But because sin has gone so far in man's disobedience; just as in the days of Noah Jesus say it shall be when he comes back sin again will have prevailed in man. So, God has to eventually bring this Earth to an end.