De Vita Beata

De Vita Beata ("On the Happy Life") is a dialogue written by Seneca the Younger around the year 58 AD. It was intended for his older brother Gallio, to whom Seneca also dedicated his dialogue entitled De Ira ("On Anger"). It is divided into 28 chapters that present the moral thoughts of Seneca at their most mature. Seneca explains that the pursuit of happiness is the pursuit of reason – reason meant not only using logic, but also understanding the processes of nature.

Seneca, in agreement with Stoic doctrine, argues that Nature is Reason (logos) and that people must use their powers of reason to live in harmony with nature and thus achieve happiness. In his words, "rerum naturae adsentior; ab illa non deerrare et ad illius legem exemplumque formari sapientia est," which means "I follow nature; it is common sense not to stray from it but to be molded according to its law and example." Seneca proposes to follow a logical sequence in this approach, starting with the definition of the objectives that the person wants to obtain. In decision-making he scorns the ways of the masses ("the most beaten and frequented paths are the most deceptive") since people are "more willing to trust another than to judge for themselves" and "a mistake that has been passed on from hand to hand finally involves us and works our destruction."

In a certain sense he identifies Nature with God, which he states several times requires our obedience ("We were born into this kingdom and to obey to God is freedom", and he writes "when you rage against heaven I do not say, 'You are committing sacrilege,' but 'You are wasting your time.'"

Seneca presents a morality based on contempt for the pleasures ("pleasure is something lowly, servile, weak, and perishable") and fortune ("do not be corrupted by external things, be unconquerable and admire only oneself, be courageous in spirit and ready for any fate, be the moulder of one's own life"). But he admits that there are acceptable pleasures "calm, moderate, almost listless and subdued, and scarcely noticeable" linked to the conduct of the wise person.

The attainment of happiness, therefore, is only really possible by following Virtue who "like a good soldier will submit to wounds, count her scars, and, pierced by darts as she dies, will yet adore the general for whom she falls", because "no one can live cheerfully without living honourably." Thus, Seneca distinguishes between virtues hard or difficult and virtues soft or easier to practice, because "there is no virtue without effort". Among the difficult are patience, fortitude and perseverance, and among the easy are liberality, temperance and meekness.

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