not lasting

See: ephemeral
References in classic literature ?
There was natural curiosity to see the woman who had been preferred to her; and perhaps some astonishment also, not to see a more engaging and more beautiful person; both those feelings restrained within the limits of good breeding, and both not lasting for more than a few moments--so far as I could see.
So, while souls are eternal, their happiness or unhappiness in the next life is not lasting.
The man who's been the steadying force through the mayhem did the Dodgers starters' strut, not lasting very long.

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