This universe is your universe

We're told that man went in the Middle Ages from thinking of
himself as the center of the universe to being less than nothing
on a less than insignificant grain in it; the result of going
from earth centered to heliocentric. My own prejudice says that's
a bit overplayed. Certainly many came to that conclusion, but
obviously, not all. In fact, I came up with a very profound
musical composition asserting my spin on it. (I hope you've come
to recognize my "humor".) To the melody of "This land is your land,
this land is my land....": "This universe is your universe, this...."
You get the point. I understand that, in fact, it's been deeded to
us! Get used to the idea; you'll be roaming the universe for some
time to come. (I Co.3:21) "...all things are yours."