Tetrapharmakos is the four-part cure Epicurus recommended for leading the happiest possible life:

Don’t fear god,

Don’t worry about death;

What is good is easy to get, and

What is terrible is easy to endure

Gandhi ‘s formula for happiness H = R/N (H-happiness, R-your resources, N-needs).

China’s Comm-Party perceives happiness as that which “makes their [people’s] wallets bulge.”

Faisal Sethi read a study which found those who keep “gratitude journals” about what they’re grateful for in their lives were generally happier, slept more, had lower blood pressure, are more successful in their career. He turned those insights into a business.