There is a persistent attack to debilitate the Christian Church from with in, the enemy is not looking to completely destroy it, but to contaminate it & change it into something else, in order to use it for a different purpose for what it was really created. The way they are working to accomplish this is by bringing subtle false doctrines & infiltrating the church with many false teachers, that will call for ecumenical unity but will attack sound doctrine & those who defend it. They are not hiding their intentions: