Common Sense Cosmology .

May I first, tell a story in a way ; -short and snappy
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A very small island in South Pacific was very beautiful with fruits and birds and some anomals too but no human there, nor ever any visited that island since it's formation. The story ends and question begins as , -who saw it or invented it other than myself?
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Inference : If there was no intelligent & conscious man ever on that island , how could , even I ,be on that Island and know that it was was beautifull etc.
So presence of Conscious reporter , informing intelligently was the more important factor than the esistence of that 'ISLAND'.
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Now to The Geeta(India) : ---
I, " Oh ! Arrjuna,' know this Universe as the field or body of myself &
II ) And also know Me as the ' Knower' of the Objective Universe . This knowledge of INTEGRATED FIELD and KNOWER is the ESSENCE of ultimate Knowledge",
{ Geeta Ch : 13/ 2, & 3 }.

Without the Integrated Involvement of CONSCIOUSNESS of the DESIGNER (knower )from the very start , the idea of any Cosmology with parcipating Intelligence, is absurd . The Play of CONSCIOUSNESS --before, with the begining ( Big-Bang ) and for follow up is obligatory, even for aftermath Reporting.
"Grand Design" is Impossible without the Designer. Homosapien's appearance on the 'stage' and conscious Intelligent partcipation are also integrated expression of the FIRST CAUSE.