Convince you of what?
You seem to be asking for proof that we humans have not exhausted all possible avenues of knowledge.
At the same time as suggesting that as long as there may be more than one iota of knowledge as yet unknown all extant knowledge is incorrect, incomplete.
It's like, is the sky really blue? The experienced answer is yes. The real answer is no.
Which version do you want?
Do you expect to float away into the sky when you step forward? Or do you accept that we understand gravity, mostly, as a species if not as individuals?
You are arguing like a 5 year old. That's a great intuitive step at that age. As an adult? Maybe not