Mnemosyne
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγὴ τοῦ ἀγαθοῦ καὶ ἀεὶ ἀναβλύειν δυναμένη, ἐὰν ἀεὶ σκάπτῃς → Dig within. Within is the wellspring of Good; and it is always ready to bubble up, if you just dig | Look within. Within is the fountain of the good, and it will ever bubble up, if thou wilt ever dig.
Latin > English (Lewis & Short)
Mnēmŏsynē: ēs, f., = Μνημοσύνη (remembrance).
I The mother of the Muses, Ov. M. 6, 114; Cic. N. D. 3, 31, 54; Phaedr. 3 prol. 18: natae Mnemosynes, the Muses, Aus. Ep. 4, 64.—
II In plur.: Mnēmŏ-synae, ārum, f., the Muses, Aus. Idyll. 11, 30.
Latin > French (Gaffiot 2016)
Mnēmŏsўnē, ēs, f. (Μνημοσύνη), Mnémosyne [déesse de la mémoire, mère des Muses] : Cic. Nat. 3, 54 ; Ov. M. 6, 114 ; Phædr. 3, Prol. 18. || -næ, ārum, f., les Muses : Aus. Idyll. 11, 30.