"What Aristotle, Stoics, and Epicureans Agree On..." Gill, N.S. (2017). ThoughtCo. // https://www.thoughtco.com/happiness-epicurean-and-stoic-perspective-4070798
Epicureanism
Ancient Greeks had formula for happiness (The Guardian)
“If you wish to make Pythocles rich, do not give him more money, but diminish his desires” -Epicurus // https://www.theguardian.com/world/2017/apr/21/ancient-greeks-had-formula-for-happiness