Letters from a Stoic 75 Summary and Key Takeaways

           In Letter 75, titled “On the Diseases of the Soul,” Seneca  emphasize that action speaks louder than words and the importance of self-mastery. 

        Seneca begins by defending the simplicity and naturalness of his letters: “I prefer that my letters should be just what my conversation would be if you and I were sitting in one another’s company or taking walks together, spontaneous and easy; for my letters have nothing strained or artificial about them.” He explains that his letters are meant to reflect genuine feelings rather than polished rhetoric: “I should like to convince you entirely of this one fact, – that I feel whatever I say, that I not only feel it, but am wedded to it.”

        Seneca emphasizes the importance of aligning speech with life and actions and that action speaks louder than voice: “Let speech harmonize with life. That man has fulfilled his promise who is the same person both when you see him and when you hear him.”

"Man has fulfilled his promise who is the same person both when you see him and when you hear him."

      Seneca concludes by describing the ultimate freedom that comes with mastering oneself and achieving philosophical wisdom. “You ask what this freedom is? It means not fearing either men or gods; it means not craving wickedness or excess; it means possessing supreme power over oneself. And it is a priceless good to be master of oneself.”

"You ask what this freedom is?... It means possessing supreme power over oneself. And it is a priceless good to be master of oneself."

        Seneca’s letter is a call to prioritize the cultivation of the soul through philosophy, advocating for a life where actions and words are in harmony, and where virtue leads to true freedom and self-mastery.

*****   Letters from a Stoic Key Takeaways is a collection of short key takeaways from the letters sent by Seneca to Lucilius. Read each letter’s key takeways here .

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