Τὸ μανθάνειν δ' ἥδιστον εὖ λέγοντος, εἰ κέρδος λέγοι → It is the sweetest thing to learn from one speaking well, if they speak profitably
a river in Paphlagonia, Il. 2.854†.
Παρθένιος: ὁ Партений (река в Пафлагонии) Hom. etc.