Poems and aphorisms are an art form that requires the reader to fill gaps in logical structure to create meaning. Humans naturally try to generate meaning from arbitrary nonsense if it's grammatically correct.

Human curated samples will almost certainly be good.

Consider MegaHAL from 1996 https://en.wikipedia.org/wiki/MegaHAL From all the stuff it generated we are left with handful of gems like:

CHESS IS A FUN SPORT, WHEN PLAYED WITH SHOT GUNS.

COWS FLY LIKE CLOUDS BUT THEY ARE NEVER COMPLETELY SUCCESSFUL.

TIME. TIME. WHAT IS TIME? SWISS MANUFACTURE IT. FRENCH HORDE IT. ITALIANS WANT IT, HUH? WELL, I MUST BE THURSDAY. I NEVER COULD GET THE HANG OF THURSDAYS.

I COULD SHAKE MY TINY FIST AND SWEAR I WASN'T WRONG, BUT WHAT'S THE SENSE IN ARGUING WHEN YOU'RE MUCH TOO BUSY RETURNING TO THE LAVATOR.