The Holy Spirit is Infinite, as is Jesus, the Second Person of the Blessed Trinity. As is the Father, the First Person of the Blessed Trinity.
Catholicism … all Christianity … is based on following the teachings of Jesus of Nazareth … God, the Son of God. He set up the Church and gave the Church its doctrines. And, from time to time, He, the INFINITE, has condescended to provide some additional “insights” … not official ones, but little glimpses to keep us “motivated” … He has inspired some amazing writers, for example. St. Augustine and St. Thomas Aquinas … to name two really important writers. We are reminded that toward the end of his life, St. Thomas Aquinas was given a vision of Heaven and then tried to burn his writings because he said they were mere straw. Worthless and so much less than than the reality of Heaven and his writings were so … inadequate … so finite … in comparison with Heaven.
In any event, the Planet Earth is not and will never be Heaven. The Planet Earth is, in fact, finite … in size, in scope, and in time.
To say that the Planet Earth is finite … well, even our Sun is finite … in a mathematical sense. Even the Universe is finite … mathematically.
And yet, the finite life of the Universe might be “merely” another four billion years. Finite, but not very.
So arguments regarding finite-ness are not very helpful.
We do not know … or do not fully appreciate … the fullness of the resources available to us on the Planet Earth. It has not been anywhere near fully explored. It would be like being cast on to a remote island of large size and never getting off the beach … and saying that the island is “finite” and therefore will not be suitable.
The Planet Earth has not been fully explored. The Planet Earth is 7000 miles in diameter … and we have only explored small parts of the surface … and only to depths of a few miles in a few places. We do know that the earth is a fireball with a rich core of elements heated to several thousand degrees. It is an amazing device … an amazing creation. And we really have no idea what the extent of the riches of the Planet Earth are. In addition, the Earth is bombarded by energy from the sun and from the cosmos (cosmic rays, etc) and the Earth actually increases in mass from the bombardment. And we are protected from radiation by the amazing magnetosphere. And we have studied very little of the Earth.
In fact, even up to just a few years ago, some folks were adamant that there were no natural sources of organohalogens, until a fellow named Gordon Gribble proved them wrong. So we really know very little.
Someday, at some point, the world will end. It is not our “job” or our “place” to determine when that will occur. Many very smart people have calculated very precisely when the world will end or when we will run out of resources … or when Jesus will come again … and in every case they have been wrong.
Jesus is quoted as having said: “you know not the hour or the day.”
The title of this thread is “Petroleum and the future of civilization” and the focus of this thread is that petroleum will run out shortly and that civilization will collapse. That presupposes perfect knowledge of petroleum reserves, that there are no deliberate political machinations on the part of the political regimes that control sources such as Saudi Arabia and that there are no manipulations on the pumping rate or the known reserves.
It also presupposes that there are no substitutes available. But we know full well that there ARE substitutes … we have discussed them. AND, we have already discussed that many of the alternatives to petroleum have been placed off limits (in the United States) by people with political motives.
Robert Zubrin has an OUTSTANDING table that shows the known substitutes page 210 … and also in Chapter 5 …
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(1) No doubt the Holy Spirit is a better student of mathematics than you are, and realizes you can’t have an infinitely expanding human population on a finite planet.
(2) Which approaches to reducing the birth rate are you saying are in direct contradiction to Catholic doctrine? I don’t recall that either Doug or I ever said anything in this regard.
(3) Why do you say there are no alternatives to petroleum? Of course there are!