The world whose has whole range of viewpoints, loves to point out and expose their enemies for being wrong from their perspective, but whenever they are confronted with the Gospel, the world is united in its antichrist spirit. Jesus said to His followers that If the world hate you, ye know that it hated me before it hated you. If ye were of the world, the world would love his own: but because ye are not of the world, but I have chosen you out of the world, therefore the world hateth you." (John 15:18-19)
We are in a spiritual war. War. This very word makes many feel terribly uncomfortable, but that is what it is. Satan has blinded the unsaved such that they cannot receive the truth. In whom the god of this world hath blinded the minds of them which believe not, lest the light of the glorious gospel of Christ, who is the image of God, should shine unto them (2 Corinthians 4:4). Thus, because the unsaved cannot receive the truth, they cannot understand it.