Sun Tzu's thirteen chapters on winning without fighting, quoted in every boardroom.
Marcus Aurelius' private notes to himself on campaign; the Stoic handbook for emperors and CEOs.
Seneca writes to Lucilius on time, death and the cost of living well.
Mary Beard's thousand years of Rome from a village to an empire, without the togas.
Aristotle on virtue as a habit and happiness as an activity; the golden mean.
Socrates on justice, the philosopher-king and the cave; the book Western philosophy replies to.
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