"It is philosophy that has the duty of protecting us...without it no one can lead a life free of fear or worry."For several years of his turbulent life, Seneca was the guiding hand of the Roman Empire. His inspired reasoning derived mainly from the Stoic principles, which had originally been developed some centuries earlier in Athens. This selection of Seneca's letters shows him upholding the austere ethical ideals of Stoicism—the wisdom of the self-possessed person immune to