Letters 18.14

But now I must begin to fold up my letter. “Settle your debts first,” you cry. Here is a draft on Epicurus; he will pay down the sum: “Ungoverned anger begets madness.” You cannot help knowing the truth of these words, since you have had not only slaves, but also enemies.

Seneca, Letters to Lucilius 18.14, translated by Richard Mott Gummere