According to the Receiver how does wisdom come?

According to the Receiver in "The Giver" by Lois Lowry, wisdom comes from experience and the understanding of emotions, choices, and the complexities of life. It is gained through the accumulation of knowledge over time and the ability to reflect on that knowledge. The Receiver emphasizes that true wisdom involves recognizing the nuances of human experience, which is often absent in a controlled and emotionless society.