De Vita Beata (English: On a Happy Life) is an insightful essay penned by Seneca the Younger, a prominent Roman Stoic philosopher, likely composed between 58 and 62 AD, as a discourse on the nature of happiness and its pursuit.The essay expounds on the idea that true happiness is rooted in cultivating inner virtues, living in accordance with reason, and maintaining a tranquil mind in the face of life's challenges. Seneca emphasizes the importance of self-mastery, detachment from external circumstances, and moral integrity as essential components of a content and fulfilling life.