What is meaning in life? Does anything really matter? How can a life achieve lasting significance? How can we explain the human propensity to struggle for ideals? How is meaning related to contentment, happiness, joy? Is meaning something we discover, or do we create it? What is the nature of value, and what are its sources in human experience? Can there be a meaning in life without religious faith? What is the meaning of death? Is life worth living? What would enable us to have a love of life?

"Meaning in life," writes philosopher Irving Singer, "and the meaning in our own lives,...