In Jodi Picoult's novel "Nineteen Minutes," the idea presented is that negative events may serve a purpose in reminding us of the value of positive experiences. This perspective suggests that difficult moments in life can enhance our appreciation for the good times by providing a contrast.
The quote implies that adversity is necessary for growth and awareness, allowing individuals to recognize what they might otherwise take for granted. It underscores the importance of resilience in the face of challenges and the lessons learned from overcoming hardship.