John D. Barrow Quote

Just focusing on what exists now seems a bit exclusive. And if we include everything that has ever existed as part of the universe, why not include the future as well? This seems to leave us with the definition that the universe is everything that has ever existed, does exist, or will ever exist.


The Book of Universes: Exploring the Limits of the Cosmos (2011)


Just focusing on what exists now seems a bit exclusive. And if we include everything that has ever existed as part of the universe, why not include...

Just focusing on what exists now seems a bit exclusive. And if we include everything that has ever existed as part of the universe, why not include...

Just focusing on what exists now seems a bit exclusive. And if we include everything that has ever existed as part of the universe, why not include...

Just focusing on what exists now seems a bit exclusive. And if we include everything that has ever existed as part of the universe, why not include...