The battle for good and evil for Christians is won with the truth of God's Word.  We are sufficiently warned in the Word of wolves and the work of the devil and his hoards.  We are told often to be wary of the world and our own inherent sin.  The Church today seems to be faltering because of the inability to cling to the good and to abstain from all forms of evil.  It is teetering on the tolerance that the world says we need to have for unbiblical and evil notions.  Our battle is won when we return to sound doctrine and obedience to it.