Like a fairytale.
Flowers, fruits, and leaves can be seen outwardly in trees, but roots, the life of the tree, are buried in the ground and invisible.
Just as the essence of Dharma, which cannot be seen because Buddha's Dharma has limitations in revealing it like this, is passed down from the mouth of grandmother to the ear of granddaughter like a fairy tale from an unknown Zen Master to the next generation.
