You should not love the [godless] world, nor the things [i.e., the materialistic values] that are part of this [present] age. If any person loves the world, a [genuine] love for the Father is not in his heart.

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.

Dear children, it is [now] the last hour [i.e., the final period of God's dealing with people on earth], and since you have heard that an antichrist [i.e., a person who is against Christ] is coming, even now [you should be aware that] many antichrists have [already] come. This is [one way] we know that this is the last hour.

They left us, but they were not part of us, for if they had been part of us, they would have stayed with us. Their leaving made it clear that none of them was really part of us.

These [false teachers] are part of the world, so [naturally] they speak [a message endorsed] by the world and the world listens to them.