The final challenge of any paradise is the paradox of its maintenance. When a paradise is established through isolation, it often becomes stagnant or oppressive. In Morrison's Ruby, the elders’ commitment to a fixed past creates a rift with a youth that seeks progress, illustrating that a "frozen" paradise cannot survive the march of time. True paradise may only be achievable not through rigid isolation, but through understanding and acceptance of the changing world around it.
: Remaining in possession of one's "inner life" regardless of physical isolation or age. Paradise
However, this architecture of perfection often carries a hidden cost. Morrison notes that paradises are frequently "designed by who is not there"—by the very people who have been excluded and seek to create their own boundaries. This suggests that the foundation of any paradise is often built on the exclusion of others, turning a dream of inclusion into a reality of segregation. The final challenge of any paradise is the