Authors:

Treachery and violence are spears pointed at both ends; they wound those who resort to them worse than their enemies.

Charlotte Bronte, Emily Bronte, Anne Bronte (2009). “The Bronte Sisters: Three Novels: Jane Eyre; Wuthering Heights; and Agnes Grey (Penguin Classics Deluxe Edition)”, p.492, Penguin
Treachery and violence are spears pointed at both ends; they wound those who resort to them worse than their enemies.