Flaubert: "To be stupid, and selfish, and to have good health are the three requirements for happiness; though if stupidity is lacking, the others are useless."
Vauvenargues: “There are men who are happy without knowing it.”
Eric Hoffer: “The search for happiness is one of the chief sources of unhappiness.”
Sartre: "Hell is other people."
Willa Cather: “One cannot divine nor forecast the conditions that will make happiness; one only stumbles upon them…”
Alexander Smith: “We are never happy; we can only remember that we were so once.”
John Stuart Mill: “Ask yourself whether you are happy, and you cease to be so.”
G.K. Chesterton: “Happiness is a mystery, like religion, and should never be rationalised.”
Solon: “Let no man be called happy before his death. Till then, he is not happy, only lucky.”