Understanding the Universe at the Most Fundamental Level, and the Only Entity That Cares About the Rest of the Universe

There is every reason to conjecture that our descendants will eventually control the sun and much more. We can foresee neither their technology nor their wishes, they may choose to save themselves by emigrating from the solar system or by refrigerating the earth. But if they did any of those things, it's still an argument that they are fundamental. If there is this thing in the universe, the human species, which an outside observer would see is always escaping dying stars, thus going on to exist for billions, perhaps trillions of years in that universe, you'd want to understand that thing. This is the concept of self-similarity, this remarkable capacity we have of modeling the rest of physical reality