It takes effort.

Therefore submit to God. Resist the devil and he will flee from you. 8 Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded . . . .(James 4:7-8)

It takes effort! Yes.....we still have some work to do. This is what Paul says in Philippians 2:12, as he instructs us to work out our salvation. 

(https://www.biblegateway.com/passage/?search=Philippians%202%3A12-13&version=NKJV) 

You see, Jesus did the work as far as our sacrifice and redemption. However, now we must give the Holy Spirit reign in our lives and decide to follow Christ and deny Satan daily. 

Christianity is an active faith and an interactive relationship with Jesus Christ. It is NOT a religion. It takes effort!