Go ahead, try it. Step outside tonight and glance skyward, pick any star and then visualize its own rocky, Earthy little ball orbiting around it, with some form of life potentially dancing a tango on top.
If you think of the Earth within the context of the universe(s), it is difficult to cling to any certainty you may have about the significance or uniqueness of our planet, and thus the degree of specialness we like to attribute to its inhabitants.
For 25 years as an astronomy educator, I have informally polled hundreds of students, teachers, and the general public regarding their awareness of the night sky. Invariably, no more than 25 percent have ever seen the Milky Way with their own eyes.
What did we know about the size and contents of our universe a hundred years ago? Very little. Even the proton, the nucleus of the simplest atom (hydrogen), was only discovered by Rutherford in 1917-1919.