Moore's current focus is on exploring the nature of human experience. The 2016 book ‘Jerusalem' was his magnum opus, explaining the ideas of eternalism, a view of reality not as something moving through time from past through present and into the future, but as a simultaneous permanent reality.
"There is a persistent illusion of transience, that the shows that we used to love aren't on television anymore, you can't get those sweets that we used to enjoy when we were kids, that lovely building that we walked past every day, they pulled that down, our grandmothers, the people in the past who died, we'll never see them again,” he explained.