Peter Kreeft on why Heaven matters:
What difference does Heaven make to earth, to now, to our lives?What Difference Does Heaven Make? : The Integrated Catholic Life
The answer to the question is only the difference between hope and despair in the end, between two totally different visions of life; between “chance or the dance.”
At death we find out which vision is true: does it all go down the drain in the end, or are all the loose threads finally tied together into a gloriously perfect tapestry? Do the tangled paths through the forest of life lead to the golden castle or over the cliff and into the abyss? Is death a door or a hole?
To medieval Christendom, it was the world beyond the world that made all the difference in the world to this world. The Heaven beyond the sun made the earth “under the sun” something more than “vanity of vanities”. Earth was Heaven’s womb, Heaven’s nursery, Heaven’s dress rehearsal. Heaven was the meaning of the earth. ....
It is Heaven and Hell that put bite into the Christian vision of life on earth, just as playing for high stakes puts bite into a game or a war or a courtship. Hell is part of the vision too: the height of the mountain is appreciated from the depth of the valley, and for winning to be high drama, losing must be possible.
For salvation to be “good news”, there must be “bad news” to be saved from. If all of life’s roads lead to the same place, it makes no ultimate difference which road we choose. But if they lead to opposite places, to infinite bliss or infinite misery, unimaginable glory or unimaginable tragedy, if the spirit has roads as really and objectively different as the body’s roads and the mind’s roads, and if these roads lead to destinations as really and objectively different as two different cities or two different mathematical conclusions – why, then life is a life-or-death affair, a razor’s edge, and our choice of roads is infinitely important. .... [more]