A philosophy that saw self-possession as the key to an existence lived 'in accordance with nature', Stoicism called for the restraint of animal instincts and the severing of emotional ties.These beliefs were formulated aby the Athenian followers of Zeno in the fourth century BC, but it was in Seneca (c.
4 BC - AD 65) that the Stoics found their most eloquent advocate. Stoicism, as expressed in the Letters, helped ease pagan Rome's transition to Christianity, for it upholds upright ...