eight samadhis for emancipation　八解脱 The eight ways of concentration of mind for removing various evil passions by meditating on 1) impurity of one’s body, 2) impurity of external objects, 3) pure aspects of external objects, 4) boundless space, 5) boundless consciousness, 6) nonexistence, 7) the stage of neither thought nor nonthought, and 8) the stage of total extinction.