Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
The Romans of this epoch still remained strangers to rhetoric and
philosophy. The speech in their case lay too decidedly at the very
heart of public life to be accessible to the handling of the foreign
schoolmaster; the genuine orator Cato poured forth all the vials of
his indignant ridicule over the silly Isocratean fashion of ever
learning, and yet never being able, to speak.
The Greek philosophy,
although it acquired a certain influence over the Romans through the
medium of didactic and especially of tragic poetry, was nevertheless
viewed with an apprehension compounded of boorish ignorance and of
instinctive misgiving. Cato bluntly called Socrates a talker and a
revolutionist, who was justly put to death as an offender against the
faith and the laws of his country; and the opinion, which even Romans
addicted to philosophy entertained regarding it, may well be expressed
in the words of Ennius:
-Philosophari est mihi necesse, at paucis, nam omnino haut placet.
Degustandum ex ea, non in eam ingurgitandum censeo.-