bold = Main text
   Liber, Caput     grey = Comment text

 1     Int,       I|  greater part of his time in study.1 From him was probably
 2     Int,       I|     feel the importance of a study of philosophy to serve as
 3     Int,       I|     Diodotus in the severest study, but he seems never to have
 4     Int,       I| himself incessantly with the study of philosophy, law, rhetoric,
 5     Int,       I|      much time in systematic study. That his oratory owed much
 6     Int,       I|    refresh his style by much study of the Greek writers, and
 7     Int,       I|      greater satisfaction in study, so far as my forensic labours
 8     Int,       I|    Cicero spent much time in study at his estates near Tusculum,
 9     Int,       I|   his taste; books, letters, study, all in their turn became
10     Int,       I| indications of philosophical study as might be obtained from
11     Int,      II|    of the Stoic physics by a study of Aristotle and Plato.
12     Int,     III| therefore undeserving of our study, for the spirit, if not
13     Int,     III|      Philosophy was a sealed study to those who did not know
14     Int,      IV|     remain there absorbed in study till nightfall136. Often
15     Not,       2|      was due to his untiring study and his marvellous memory (
16     Not,       2|      without necessity, as a study of the passages referred
17     Not,       2|     Not that I deprecate the study of Physics, for moral good