Work The Conquest of Happiness Bertrand Russell View on Amazon · $8.95 ↗ Listen on Audible As an Amazon Associate, QWOT earns from qualifying purchases. 3 quotes from this work To be without some of the things you want is an indispensable part of happiness. One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important. Men who are unhappy, like men who sleep badly, are always proud of the fact.