"An epigram is a brief, interesting, memorable, and sometimes surprising or satirical statement. The word is derived from the Greek: ἐπίγραμμα epigramma ´inscription´ from ἐπιγράφειν epigraphein ...
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´to write on, to inscribe´, and the literary device has been employed for over two millennia.
The presence of wit or sarcasm tends to distinguish non-poetic epigrams from aphorisms and adages, which tend to lack those qualities." - (en.wikipedia.org 26.11.2019)