canonical-greekLit/data/tlg0557/tlg001/tlg0557.tlg001.perseus-grc2.xml
τί οὖν ἐστι τὸ ἐν τῷ γράφειν ἀκώλυτον ποιοῦν καὶ ἀπαραπόδιστον; — ἡ ἐπιστήμη τοῦ γράφειν. — τί δʼ ἐν τῷ κιθαρίζειν; — ἡ ἐπιστήμη τοῦ κιθαρίζειν. — οὐκοῦν καὶ ἐν τῷ βιοῦν ἡ ἐπιστήμη τοῦ βιοῦν.