He that can live alone resembles the brute beast in nothing, the sage in much, and God in everything.
Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on this precious speck of matter... the greatest gift that could be bestowed upon us. For all practical purposes, there is only one planet Earth.
We're not a fragile people. We're not a frightful people. Our power doesn't come from some self-declared savior promising that he alone can restore order as long as we do things his way. We don't look to be ruled.
He alone is free who lives with free consent under the entire guidance of reason.
When it comes to partnership, some humans can make their lives alone - it's possible. But creatively, it's more like painting: you can't just use the same colours in every painting. It's just not an option. You can't take the same photograph every time and live with art forms with no differences.