You can imagine regarding the origin of Existance itself (Creatio Ex Nihilo, Primus Movens or Eternal Existence) only the latter is fully compatible with all the basic physical laws/mathematics/logic that we know

As far as I know, the big bang hypothesis is in accord with known physics.

Seconding ciphergoth's suggestion. It's very unlikely that you can make a positive contribution here until/unless you study more. We do have respected members who hold theistic beliefs, but their comments sound noticeably more rational than yours.