God's children have all power and authority by God's grace to speak against the evil that is in the world and to not be so concerned about the ways of the world as it will wax worse and worse and as being Spiritually born again from above we are no longer of this world
Mat 10:28 And fear not them which kill the body, but are not able to kill the soul: but rather fear him which is able to destroy both soul and body in hell.
1John 2:15 Love not the world, neither the things that are in the world. If any man love the world, the love of the Father is not in him.
1John 2:16 For all that is in the world, the lust of the flesh, and the lust of the eyes, and the pride of life, is not of the Father, but is of the world.
1John 2:17 And the world passeth away, and the lust thereof: but he that doeth the will of God abideth for ever.