Full Idea
Other vices drive the mind on, anger hurls it headlong; ..other vices revolt from good sense, this one from sanity; ...other vices seize individuals, this is the one passion that sometimes takes hold of an entire state.
Gist of Idea
Anger is an extreme vice, threatening sanity, and gripping whole states
Source
Seneca the Younger (On Anger (Book 3) [c.60], §01)
Book Reference
Seneca: 'Dialogues and Essays', ed/tr. Davie,John [Penguin 2007], p.18
A Reaction
He particularly dislikes anger because it is the vice that leads to violence.