"Human behavior." . . . . "Philosophie." . . "Doubleday & Company." . . "Réflexion (Philosophie)" . . . "Living philosophies : the reflections of some eminent men and women of our time" . . . . . . . . . "A collection of original essays by thirty-five men and women contemplating the meaning of life."@en . . "A collection of original essays by thirty-five men and women contemplating the meaning of life." . . . . "Living philosophies the reflections of some eminent men and women of our time"@en . . . "Conduct of life." . . "Sens życia." . .