"Happiness." . . . . "Philosophy Early works to 1800." . . "1600 - 1699" . . . . . . . "Early works" . "Early works"@en . . . . . . . . "An idea of happiness, in a letter to a friend enquiring wherein the greatest happiness attainable by man in this life does consist" . . "An idea of happiness, in a letter to a friend enquiring wherein the greatest happiness attainable by man in this life does consist"@en . "An idea of happiness, in a letter to a friend; enquiring wherein the greatest happiness attainable by man in this life does consist"@en . . . "An idea of happiness in a letter to a friend enquiring wherein the greatest happiness attainable by man in this life does consist"@en . . "An idea of happiness, in a letter to a friend : enquiring wherein the greatest happiness attainable by man in this life does consist" . . . . "An Idea of Happiness, in a Letter to a Friend enquiring wherein the greatest happiness attainable by man in this life does consist"@en . "An idea of happiness, in a letter to a friend: enquiring wherein the greatest happiness attainable by man in this life does consist"@en . . "An idea of happiness" . . . . "Idea of happiness" . "Idea of happiness"@en . . . . . "Philosophy." . .