Hourglass and skull as Masonic memento mori symbols inspired by Seneca
Lucius Annaeus Seneca – Letters to Lucilius

Seneca’s Letter 77: Philosophical Sources on Life’s Brevity

When you read Seneca’s seventy-seventh letter to Lucilius, you step into a philosophical landscape far older than the Roman writer himself. The question Seneca raises — whether life is truly too short, or whether we ourselves squander it — is rooted in ancient debates about time, mortality, and the art of living. But which thinkers and traditions whispered these insights to Seneca? And how do these classical voices relate to the symbolic language that Freemasons would develop centuries later? The Stoic Roots of the Argument Seneca’s letter stands unmistakably in the tradition of the Stoa, the philosophical school founded by Zeno of Citium around 300 BCE. The Stoics drew a sharp distinction between what lies within our power and what lies beyond it. Time falls into the second category — we do not determine how many days remain to us. But how we fill those days is entirely our responsibility. This core idea echoes throughout everything Seneca writes about the apparent shortness of life. Chrysippus, the great systematizer of Stoicism, had already argued that the value of a life lies not in its length but in its conformity to reason. A short life lived in accordance with nature surpasses a […]