Aliens, Christians In The World

If the world hates you, know that it hated Me before it hated you. If you belonged to the world, the world would treat you with affection and would love you as its own. But because you are not of the world [no longer one with it], but I have chosen (selected) you out of the world, the world hates (detests) you.

They are not of the world (worldly, belonging to the world), [just] as I am not of the world.

But we are citizens of the state (commonwealth, homeland) which is in heaven, and from it also we earnestly and patiently await [the coming of] the Lord Jesus Christ (the Messiah) [as] Savior,

These people all died controlled and sustained by their faith, but not having received the tangible fulfillment of [God's] promises, only having seen it and greeted it from a great distance by faith, and all the while acknowledging and confessing that they were strangers and temporary residents and exiles upon the earth. Now those people who talk as they did show plainly that they are in search of a fatherland (their own country). If they had been thinking with [homesick] remembrance of that country from which they were emigrants, they would have found constant opportunity to return to it. read more.
But the truth is that they were yearning for and aspiring to a better and more desirable country, that is, a heavenly [one]. For that reason God is not ashamed to be called their God [even to be surnamed their God -- "the God of Abraham, Isaac, and Jacob], for He has prepared a city for them.

Beloved, I implore you as aliens and strangers and exiles [in this world] to abstain from the sensual urges (the evil desires, the passions of the flesh, your lower nature) that wage war against the soul.