Knowing Impermanence Experientially is the doorway to Freedom. We see we can't hold on to anything! Letting Go– Not Clinging brings the Freedom to Be. Anicca vata sankhara chant: 'All conditioned things are impermanent. Their nature is to arise & pass away. To live in harmony with this truth. Brings the highest happiness'. Anicca vata sankhara chant.
Teaching on this key factor in the Satipatthana Sutta, including the four commentarial categories:
Clear comprehension of purpose (Pāli: sātthaka)
Clear comprehension of suitability (sappāya)
Clear comprehension of domain (gocara):[12]
Clear comprehension of non-delusion (asammoha)