I John 2: 15-17 says Do not love the world or the things in the world. If anyone loves the world, the love of the Father is not in him. For all that is in the world—the desires of the flesh and the desires of the eyes and pride of life—is not from the Father but is from the world. And the world is passing away along with its desires, but whoever does the will of God abides forever.  Again, John don’t mean the created physical world and he doesn’t mean the world of men, he means the system of sin or the system of evil, all that is in that anti-God, anti-Christ system that is made up of an atmosphere of the lust of the flesh, the lust of the eyes, and the boastful pride of life. There is a spiritual force behind this world system. When John said do not love the world or things in the world, John is saying that the things that are in the world is seeking to entangle men in its system. We are not just fighting against sin, we need to be on guard about sin, and against the ruler of this world. God is building up His church to its fulfillment in the universal reign of Christ. Simultaneously Satan is building up this world system to its vain climax in the reign of the antichrist, and to many Christians are getting entangle in this system, and this system is passing away with all its wishes, wants, and craving. May we seek God more than this material realm.