In Sinclair Lewis's novel "Babbitt," the protagonist's transformation from an innocent youth to a disenchanted adult is poignantly captured. The phrase highlights how the character, once filled with curiosity and belief in life's possibilities, loses that sense of wonder as he matures. As he faces the routine and pressures of adulthood, the vibrant adventures of daily life become less captivating for him.

This shift reflects a common theme in literature where the joy of youth is often overshadowed by the mundane realities of adult life. Babbitt's journey illustrates how societal expectations and responsibilities can dampen one’s enthusiasm for life, making the extraordinary feel mundane and everyday experiences less thrilling. This resonates with many who feel that adulthood has diminished their earlier sense of adventure and hope.