suggesting that Catulus is advocating an over-cautious and
rather mindless frugality.
The second objection is that innovation is undesirable: ‘But
let nothing new happen which is not in accordance with the
practice and ordinances of our ancestors.’
6
Before looking at how Cicero deals with these objections, it is
worth considering how far it is possible to supplement Cicero’s
account of the opposition with Dio’s account of the passage of
the lex Gabinia the previous year, which gave Pompeius a very
similar command against the pirates.
7
There are two difficulties
in using this evidence: the first is the general problem of how
much reliance we can place upon Dio’s account; the second is
the extent to which the differences between the two laws, and
their passage, invalidate the comparison.
It seems clear that Dio consulted a wide range of authorities
in composing his history, and as a result was able to incorporate
much valuable material into his account.
8
However, where
his version of events can be compared with other sources,
faults in chronology and misleading or incorrect inferences
sometimes become evident. Moreover, the speeches are his
own compositions, whatever material he drew on.
9
The dis-
cussion of the lex Gabinia is very much a set-piece, with
speeches by Pompeius as well as Gabinius and Catulus; yet the
correspondences with the arguments that Cicero indicates were
in the air the following year are sufficiently close to suggest,
if nothing more, that the details that can be extracted from
Dio to supplement the de imp. may not all derive from Dio’s
116 Controlling the uncontrollable
6
60: ‘at enim ne quid noui fiat contra exempla atque instituta maiorum.’
7
Dio 36. 24–36. His account of the passage of the lex Manilia (36. 42. 4–43.
5) is much briefer, and does not include details of the arguments used. Its
dominant feature is an attack on Cicero for his lack of political principle: cf.
F. Millar, ‘Some Speeches in Cassius Dio’, MH 18 (1961), 11–22.
8
For Dio’s value as a source, see F. Millar, A Study of Cassius Dio (Oxford:
Oxford Univ. Press, 1964); B. Manuwald, Cassius Dio und Augustus (Wies-
baden: Steiner, 1979), esp. 168–79; A. W. Lintott, ‘Dio and the History of the
Late Republic’, ANRW 2. 34. 3 (1997), 2497–523.
9
Millar, Cassius Dio, 83: ‘Dio’s speeches carry further the tendency
towards generality and lack of apposite detail which characterises his History
as a whole . . . in general their interest must lie not in what they can contribute
to historical knowledge, but in the insight they can give into the mind of a
senator writing under the Severi, the political questions which were upper-
most in his mind and the sort of reasoning he could apply to them.’
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