- Claudius knew a good deal about Etruscan history. Among his many learned researches he had written a 20-volume study of the Etruscans, in Greek, as well as compiling an Etruscan dictionary.
— SPQR, p. 114
To describe someone who has written a 20-volume study of the Etruscans as someone who “knew a good deal” about Etruscan history is . . .
Self will just go ahead and call it: the #understatementoftheyear