九無間道

In every universe there are nine realms, in every realm there are nine illusions in practice 修, and nine ways of relief; hence the nine ways of overcoming hindrances; also there are nine uninterrupted ways of advance from one stage to another of the nine stages of the 三界 trailokya, by the wisdom of overcoming delusion in each stage; also 九無礙道 ; and cf. 九解脫道.