T, you told me to produce authoritative evidence for my statement and I did. I expect you to respect the evidence that I provided. Here it is again with emphasized text_
"three British astrophysicists, Steven Hawking, George Ellis, and Roger Penrose turned their attention to the Theory of Relativity and its implications regarding our notions of time. In 1968 and 1970, they published papers in which they extended Einstein’s Theory of General Relativity to include measurements of time and space.1, 2 According to their calculations, time and space had a finite beginning that corresponded to the origin of matter and energy."3 The singularity didn’t appear in space; rather, space began inside of the singularity. Prior to the singularity, nothing existed, not space, time, matter, or energy - nothing.
The statement does not say that the singularity had to come out of nothing, but it DID come out of nothing, It is Einstein’s theory that provides the evidence that singularity must have emerged from Nothing, the evidence of the stars, and the residual radiation background that the Big Bang actually took place.
Face the scientific facts,. Prior to the singularity, nothing existed, not space, time, matter, or energy - nothing. This is not speculation like the multiverse. This is theory that has been thoroughly tested and confirmed by the facts and that is the only way that it can be altered.