In this instance, with lack of the ability to confirm, your perhapses and my perhapses have equal weight. We could perhaps ourselves all over the place about the nature of something we can't know exists and we'd be discussing how many angels are dancing on the head of a pin. It's equally absurd because our statements are untestable and unverifiable.
This is a fundamental difference between faith and science. Science tests the ideas it comes up with. Some ideas are currently not able to be tested due to lack of technology, but technology progresses and eventually tests these ideas.
This might help illustrate the principle:
http://www.vincentchow.net/images/science-vs-faith.jpg
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