Seneca the Younger notable work Epistulae morales ad Lucilium
Retirement
After Burrus's death in 62, Seneca's influence declined rapidly; as Tacitus puts it (Ann. 14.52.1), mors Burri infregit Senecae potentiam ("the death of Burrus broke Seneca's power"). Tacitus reports that Seneca tried to retire twice, in 62 and AD 64, but Nero refused him on both occasions. Nevertheless, Seneca was increasingly absent from the court. He adopted a quiet lifestyle on his country estates, concentrating on his studies and seldom visiting Rome. It was during these final few years that he composed two of his greatest works: Naturales quaestiones—an encyclopedia of the natural world; and his Letters to Lucilius—which document his philosophical thoughts.Letters
(64) Epistulae Morales ad Lucilium – collection of 124 letters, sometimes divided into 20 books, dealing with moral issues written to Lucilius Junior. This work has possibly come down to us incomplete; the miscellanist Aulus Gellius refers, in his Noctes Atticae (12.2), to a 'book 22'.
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