I cite it because we're barely scratching the surface of our own world, which is one of a potentially infinite number of worlds that is encapsulated by the word "everything."

Why would we map the seafloor is an insane question that immediately invalidates all other opinions that you may have, unfortunately. The human embodiment of that meme with the pickaxe guy walking away from a diamond strike if only he had swung once more.

It's so hubristic to assume that our generation is the one that will discover the answers to everything.