Traditionally given in the following order:
- De Providentia (On providence) - addressed to Lucilius
- De Constantia Sapientis (On the Firmness of the Wise Person) - addressed to Serenus
- De Ira (On anger) – A study on the consequences and the control of anger - addressed to his brother Novatus
- Ad Marciam, De consolatione (To Marcia, On Consolation) – Consoles her on the death of her son
- De Vita Beata (On the Happy Life) - addressed to Gallio
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