Our Heavenly Citizenship
Quite simply, we not only long to be in heaven, we were made for it. That was God’s original intent and design. This fallen world is only a temporary place. With all of its corrupt and decaying ways, it’s not our home.
Therefore, our hearts should not be captured by what the world has to offer. We should not be deceived by its ways or discouraged by its troubles. We should not let it get the best of us because we are not meant to stay here. We as believers are going to another place. We live by a different set of values than the world’s; we’re not of this world.
Paul wrote in Philippians 3:20, “Our citizenship is in heaven, from which we also eagerly wait for the Savior, the Lord Jesus Christ.” Why do we eagerly await Jesus Christ’s return? Because we realize our citizenship is not here. Mother Teresa said, “People ask me about death and whether I look forward to it and I answer, ‘Of course,’ because I am going home.”
In John 14:1–3 Jesus says,
Let not your heart be troubled; you believe in God, believe also in Me. In My Father’s house are many mansions; if it were not so, I would have told you. I go to prepare a place for you.And if I go and prepare a place for you, I will come again and receive you to Myself; that where I am, there you may be also.
He’s saying, “Saints, don’t let this world trouble you. Don’t let it drag you down to despair. It’s not your eternal home. It doesn’t have the final word over you. As hard and rough as the world might be, whatever hardship you are facing, don’t let your heart be troubled.”
There are not many more personal, warm, enduring, and intimate things than that simple four-letter word—home. It’s wonderful, and it becomes even more so when Jesus says, “I’m going to prepare your eternal home, right now.” Have you ever thought about that? If you are a believer, Jesus is personally and lovingly building your eternal dwelling place right now.
Now that I have you thinking about that, have you ever wondered what He’s using for building materials and supplies? He’s building with whatever it is you’re sowing into the future. He’s using every eternal seed you’ve ever sown. Every bit of work that your hand produces in the harvest and every bit of reward that comes as a result—those are the building blocks He’s using for your future heavenly home. We, as believers and followers of Jesus Christ, have a dwelling there waiting for us that’s built by Jesus himself. It makes perfect sense that we should prepare our hearts and get them in the right focus now for what is being prepared for us to enjoy later, when we graduate from this world to eternity.
 C.S. Lewis, Mere Christianity in The Complete C.S. Lewis Signature Classics (New York: HarperCollins, 2002), 114.