Transformative stages of reduction and elimination of destructive mental factors, cultivation of constructive, and understanding of reality:
1. Understanding derived from hearing
2. Reflection or contemplation
3. Meditative practice.
HHDL says something about As a result of hearing something that resonates with you, it eventually becomes part of your life. View of emptiness becomes your personal view, rather than just something you read about.
Cultivation of the view of impermanence has an immense impact on life.