1 John 2:15
Love not the world, neither the things which are in the world. If any one love the world, the love of the Father is not in him.
1 John 3:17
Whoever, therefore, has the goods of this world, and sees his brother in need, and yet shuts up his compassion from him, how abides the love of God in him?
1 John 4:5
They are of the world; therefore they speak from the world, and the world hearkens to them.
1 John 5:4-5
because, every one that is begotten by God, overcomes the world. And this is the victory which overcomes the world, even our faith.
1 John 5:10
(He who believes on the Son of God, has the testimony in himself. He who believes not God, has made him a liar, because he has not believed the testimony, which God has testified concerning his Son.)