I am neither a scientist nor a mathemation, I'm not even all that smart, but I did catch on to the elementary explanation of an unknown beginning with no end, whether it's with numbers:
...-4, -3, -2, -1, 0, 1, 2, 3, 4, ..., space, or time. Whatever caused the intellectual creation in which we exist back to the infinite beginning, I am in awe of, so therefore it is my God. And that intellectual creation is balanced on a few points I have some basic conception of: cause & effect, and the circle of life, both being baseline aspects of "religion."
"The original formulation of infinitesimal calculus by Isaac Newton and Gottfried Leibniz used infinitesimal quantities. In the second half of the 20th century, it was shown that this treatment could be put on a rigorous footing through various logical systems, including smooth infinitesimal analysis and nonstandard analysis."
From dear ole Wikipedia