Seneca
On Consolation (To Helvia His Mother)
II - On Discursiveness in Reading
III - On True and False Friendship
VIII - On the Philosopher's Seclusion
IX - On Philosophy and Friendship
XVIII - On Festivals and Fasting
XIX - On worldliness and retirement
XXVIII - On Travel as a Cure for Discontent
XXXIII - On the Futility of Learning Maxims
XLI - On the God Within Us
XLVIII - On Quibbling as Unworthy of the Philosoper
65. How Many "Causes"?
70. Suicide
LXXVI. On Learning Wisdom in Old Age
86. Scipio's Villa
89. The Subjects of Philosophy
90. Philosophy and Progress
XCI - On The Lessons to be Drawn from the Burning of Lyons
92. The Happy Life
102. Immortality
124. Reason and the True Good