Have you ever thought to yourself, that because you do not know something that no one knows?
This conversation is about being humble around your personal limits of experience, thought, and understanding.
It is about not believing that because you can't do something, or do not know something that it can not be done and can not be known
You will hear people use words like "impossible" to things that have not been done or understood. In the same way that people would have said that many things that we do without a second thought, were once believed to be impossible.