The bond between friends cannot be broken by chance; no interval of time or space can destroy it. Not even death itself can part true friends. John Cassian
Absolute time would exist in a causal structure for which the concept indeterminate as to time order lends to a unique simultaneity, i.e., for which there is no finite interval of time between the departure and return of a first-signal... Hans Reichenbach
A finite interval of time generally contains an innumerable series of feelings; and when these become welded together in association the result is a general idea. Charles Sanders Peirce