90 classic titles celebrating 90 years of Penguin Books Plagued by ill-health, violently sick at sea, irritated by renovation costs: Seneca is never less than sympathetically human. In these letters written 2000 years ago, the ancient philosopher speaks to the reader today with lucidity and warmth. Whether advising on how to live a good life, spend time alone or free oneself from fears of death, Seneca is the wise and compassionate friend we all need now.