Zenon, founder of Stoicism. Image from the medieval Nuremberg Chronicle. Photo: Wikipedia. Stoicism was Christianity before Christianity. It came into being surreptitiously. Its founder was Zenon from Cyprus. Taking advantage of Greek freedom of thought, Zenon started preaching Stoicism in the shaded colonnade of the Athenian agora in early third century BCE. Plundering Greek culture Stoicism decorated itself with Greek philosophical ideas like that of logos (reason). Fire was especially close to divine reason, a tradition the Stoics also adopted from philosopher Herakleitos, “a god-like man, the inspired glory of ancient Ephesos” ( Greek Anthology 2.355). Herakleitos, c. 540 – c. 480 BCE, saw the stars as bowls of fire and fire as logos, the wisdom one gains in understanding the cosmos. Man was inextricably tied to nature. However, Stoics like Zenon broke with the Greek tradition of the polis (city State) and the philosophical ideas of Plato and Aristotle. Stoicis