εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
Zitronenbaum, citrus. – Zitronengarten, citrētum. – Zitronenholz, von oder aus, citrĕus.