A conditional statement, not an assumption 🙂

I'm not clever enough to be able to substantiate such a statement but there are many scientists who make such a claim.

Maybe I am being too parochial by suggesting that the universe started from nothing 😮

If it did start from something then that just poses the question, where did that something come from?

If that something came from something else then where did that come from and so on.

At some point something has to have come from nothing.