Anitya means impermanat. Everything changing each momont except change. Changing is permenant. This is a sutra of inner revoulation.

Dhmmapada is most important Book in Buddhism. Buddha guided Right path to his disciples for them ultimate libartion.

Zen story is most important thing in Zen. Because by understanding of Zen story you need to practice Zen Meditation. Without Zen Meditation nobody can understand real eassence of Zen story. For attending state of Niravana must do Zen Meditation on this Zen story.

Zen is very popular in Japan. Zen is a meditation and Meditation Zen Master express them experience of meditation. Its called Zen Hikue. And those are reading this hikue, and meditating on that. He will get Englightnment. " Sitting Silently , Doing Nothing , The Spring comes and the Grass Grow By Itself "