[AB] The universal and the individual; [§ 107].
[AC] The Greek palaestra, a public school of wrestling and athletics, adopted by the Romans became a place of exercise where the youth were trained in gestures and attitudes, a nursery of foppish manners.
[AD] Like Pyrgopolinices in the Miles Gloriosus of Plautus, or Thraso in the Eunuchus of Terence.
[AE] Members of Caesar's party were now occupying the houses that had been the homes of Pompey's friends. Antony, for example, lived in Pompey's house.
[AF] The ludus talarius was a kind of low variety show, with loose songs and dances and bad music.
[AG] Cicero is guilty of a curious fallacy. If it follows from his premises, (1) some one virtue is the highest virtue, and (2) the duties derived from the highest virtue are the highest duties, and if (3) wisdom is the highest virtue, then it can only follow that the duties derived from wisdom are the highest duties. But Cicero throws in a fourth premise that the "bonds of union between gods and men and the relations of man to man" are derived from wisdom, and therewith sidetracks wisdom and gives the duties derived from the social instinct the place from which wisdom has been shunted.
Cicero could not refrain from introducing a bit of theoretical speculation that has no value for his practical position—it actually prejudices it and confuses the reader.
[AH] Such as Pompey, Cato, Hortensius, and Piso.
[AI] Aristotle and Theophrastus.
[AJ] That is, they make a false distinction between (1) moral rectitude that is at the same time expedient; (2) moral rectitude that is (apparently) not expedient; and (3) the expedient that is (apparently) not morally right.