Tusculan Disputations · Chapter
Book IV: On Other Perturbations of the Mind explained
Cicero continues his discourse on the perturbations of the mind, arguing that all such disturbances—grief, fear, desire, joy—are voluntary and founded on opinion.
What happens
Cicero continues his discourse on the perturbations of the mind, arguing that all such disturbances—grief, fear, desire, joy—are voluntary and founded on opinion. He emphasizes that philosophy provides the cure by eradicating the root error that these perturbations are natural or necessary. The chapter explores various remedies tailored to specific disorders, advocating for the complete removal of all perturbations rather than mere moderation, and underscores that wisdom, as knowledge of divine and human affairs, renders the wise man immune to such disturbances.
Themes in this chapter
Perturbations of the Mind
The entire chapter is dedicated to analyzing and curing the four main perturbations: grief, fear, desire, and joy, arguing they are all voluntary and based on false opinion.
Philosophy as Medicine for the Soul
Cicero presents philosophy as the essential remedy for mental disorders, asserting that it can eradicate the root errors causing all perturbations and restore tranquility.
Characters to notice
- Themistocles
Mentioned as an example of those whose commendable studies are wrongly called 'lust' by some.
- Demosthenes
Cited alongside Themistocles as a figure whose intellectual pursuits are mischaracterized as lust.
- Pythagoras
Listed among great philosophers whose studies are improperly labeled as lust.
- Democritus
Included in the list of philosophers whose calm and composed studies are contrasted with the wantonness of lust.
- Plato
Mentioned as one of the philosophers whose excellent studies should be tranquil, not passionate.
Key passages
“But as the cause of perturbations is now discovered, for all of them arise from the judgment or opinion, or volition, I shall put an end to this discourse.”
Since we have identified that all emotional disturbances originate from our judgments, opinions, or choices, I will conclude this discussion.
Cicero summarizes the core insight that perturbations are rooted in the mind's own activity, not in external events.
“Philosophy undertakes to eradicate this error, as the root of all our evils.”
Philosophy aims to uproot this mistaken belief, which is the source of all our suffering.
Highlights the therapeutic mission of philosophy to remove the fundamental error behind all mental disturbances.