These letters all start with the phrase "Seneca Lucilio suo salutem" ("Seneca greets his Lucilius") and end with the word "Vale" ("Farewell").
Visi šie tekstai prasideda fraze „Seneca Lucilio suo salutem“ (Seneka sveikina savo Lucilijų) ir baigiasi žodžiu „Vale“ (atsisveikinimas).