Space-time as a single entity is not accepted by all physicists

7:26

I’m thinking more and more in the direction that time is fundamental is not emergent.
Differentiated from space?
Yes.

~ Lee Smolin (American theoretical physicist, a researcher at the Perimeter Institute for Theoretical Physics, and an adjunct professor of physics at the University of Waterloo)

https://debatingchristianity.com/forum/viewtopic.php?p=1098866#p1098866