"Was the knowledge possessed by both of each of these languages, the extinct and the revived, theoretical or practical?
"Theoretical, being confined to certain grammatical rules of accidence and syntax and practically excluding vocabulary."
James Joyce, Ulysses, Episode 17 (Ithaca). Ulysses: the corrected text, ed. Hans Walter Gabler with Wolfhard Steppe and Claus Melchior (New York, NY: Random House, 1986), 564, ll. 741-744.