Fame's Boys and Girls, who never die — Immaturity

Fame's Boys and Girls, who never die 1
And are too seldom born-
(F.892/J.1066)
[1] Boys and Girls:: things involving boys and girls, immature creations. die:: to disappear.
[2] born:: yielded fruitful work.
[1, 2] Fame, seldom born:: famous authors seldom yield good work.