Zeno taught that happiness (Eudaimonia) comes from "living in agreement with nature." For humans, who have the gift of reason, this means living consistently with logic. A wise person doesn't fight reality; they flow with it.
and teachings preserved by later historians like Diogenes Laertius Core Philosophy of Zeno's Teachings libro de sabiduria pdf zenon
The following essay analyzes the wisdom attributed to Zeno and the Stoic tradition, which is likely the content found in the PDF you are referencing. Zeno taught that happiness (Eudaimonia) comes from "living