སྟོང་པ་ཉིད་ཀྱང་དྲན་པ་ཉེ་བར་གཞག་པ་རྣམས་ཡིན་ནོ། །
In the same vein, that which is empty of [the other causal attributes], up to and including the noble eightfold path, is not the noble eightfold path [and the rest].
Dharma teaching, noble eightfold path, absolute purity