only emptiness — nothingness.
If there is no substance, then this phenomenon doesn’t exist. The moment you experience this emptiness, you have no attachment to anything.
All of us have been raised from a child to a teenager, then a teenager to an adult, and you can still see in this human life that this level of being is neither complete nor nothingness. Still, you can be free.
If you have a complete understanding, you can be like the birds. they know the world is an illusion, but they don’t