*starts rambling*
Time is a concept. It has not beginning, it has no end.
Space is infinite, not just in size, but also in concepts such as time.
Both those statements are relatively easy to understand and even if we do not posess the means to prove either, they seem irrefutable logic statements.
Matter and energy are the odd balls. Even if both above statements are true, it does not explain matter and energy. There'd just be an infinite space existing infinitely.
But there's the catch, can infinite space exist without anything in it? An infinite true vaccuum? It is illogical. If there is no form of matter or energy to support the infinite structure of space, logic would assume that space would collapse in on itself, and that is yet another paradox, because space is infinite and it cannot collapse for that would assume there is something outside of space. But there isn't, because there can't be anything beyond something that is already infinite.
If there was a big bang, it also makes you wonder. What factor decided the location of the big bang. Considering that there is a center in our known universe (which is basicly semi proven from the fact constallations drift apart from one and other), it goes against the thought of space being infinite. In infinity, there is no center.
If mass and energy are the inevitable result to prevent the impossibility of space collapsing in on itself, a single particle with infinitely reducing but never hitting 0 magnetic influence would be enough to support the infinite structure of space, yet we have millions of stars. Matter and energy are abundant, but neither infinite or simplistic in nature.
A mystery indeed.
Even if the known universe was created by intelligent design. That intelligent design had to be created as well, there has to be a beginning somewhere.
But we know that there are no beginnings when it comes to infinity. And even though infinite space must always exist (as it is infinite), it is logical to assume it can not exist without substance. Therefor matter or energy must be infinite, even though we know it not to be.
The best explanation I personally can come up with is a lack of dimensional perception.
This leaves the question open to millions of possibilities. Perhaps the universe moves in a circular fashion, and we have all existed an infinite times before and will exist infinite times more in the future in other creations of our known universe. Or whatever you can come up with.
So, if I was to assume that intelligent life created the universe. I automatically assume that the same conundrum we find ourselves in, also applies to said intelligent life.
*stops rambling*