Seneca, a prominent Stoic philosopher of ancient Rome, equates virtue with right reason in this succinct observation. According to Stoicism, virtue is the sole good and is achieved by living in harmony with reason—our highest faculty. Seneca’s formulation distills this tradition, asserting that to be virtuous is simply to let reason thoroughly guide one’s choices, echoing principles that philosophers like Zeno and Epictetus also espoused. [...]
