Most of what is in this reply is my personal view, often supported by scientific facts. Here we must remember the words of Newton, Physics beware of metaphysics. Today Physics has reached that state where for any further progress we have to bring in metaphysics or so it seems to me. What I feel is that to get a clear picture we need both; theology must complement cosmology and vise versa. Anyway I shall try to be as rational as possible in this answer.
1. In the beginning energy did not come out of somewhere or nowhere. It was always there. According to some cosmologists, the vacuum state that existed before the Big Bang was seething with energy. Bubbles of matter appeared in this ocean of energy from time to time, always accompanied by anti matter. But they always annihilated each other within a tiny fraction of a second. Somehow, this annihilation did not take place once. That was the beginning of our cosmos.
2. The energy of this vacuum state was limitless (Infinite?) and this energy does not have to be generated more and more as you visualized. There is enough and more; there was this from the beginning.
3. In the beginning all the matter was in the fluid state of quark-gluon plasma. Soon this evolved into hadrons protons, neutrons and the like and later into hydrogen and helium. In the stars these are slowly changing into heavier elements. But new matter new atoms are not being created.
4.. Creation of life cells is much more complex than the normal process of chemical evolution. Those who understand the complexity of a DNA molecule and what it can do will agree that just a cell just did not cannot appear by chance. I firmly believe that the appearance of life, of the complex cell, was a separate act of creation.
5. Finally there is no chance of the expansion of the universe becoming steady and becoming a static universe. Change is in the nature of things. If the present expansion ceases the chances are that the universe will start shrinking and in another 25 billion years or so there may be a big crunch. But that is irrelevant as the universe has relevance only as long as there are intelligent beings humans to observe. Human life or life on earth in general shall cease to be in a short time (on the cosmic time scale). What happens after that has no place in our science.
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