Full Idea
Henceforth, space by itself, and time by itself, are doomed to fade away into mere shadows, and only a kind of union of the two will preserve an independent reality.
Gist of Idea
Space alone, and time alone, will fade away, and only their union has an independent reality
Source
Hermann Minkowski (Space and Time [1908], Intro)
Book Reference
'Problems of Space and Time', ed/tr. Smart,J.J.C. [Macmillan 1973], p.297
A Reaction
Notice the qualification that it is a 'kind of' union. Deep confusion arises from exaggerating the analogy between space and time. Craig Bourne remarks (2006:157) that this shows independence of measurement, not of reality