" By helping to heal my own heart, you mean?” Avi asked. “Yes.” “You’re right,” he agreed. “Even if the letter didn’t reach Hamish, it reached me. That’s true. It was for me an outward expression of an inward recovery of friendship. Hamish may not have received it, but in writing it I finally received him and began to receive others like him. "

― The Arbinger Institute , The Anatomy of Peace: Resolving the Heart of Conflict