Pat Churchland on Philosophical Zombies and the Hard Problem of Consciousness
"That someone can imagine the possibility is not evidence for the real possibility. It is only evidence that somebody or other believes it to be a possibility. That, on its own, is not especially interesting. Imaginary evidence, needless to say, is not as interesting as real evidence, and what needs to be produced is some real evidence… The mysteriousness of a problem is not a fact about the problem, it is not a metaphysical feature of the universe - it is an epistemological fact about us. It is about where we are in current science, it is about what we can and cannot imagine. It is not a property of the problem itself."