0.3AnattānupassīsuttaObserving Not-self
1.1Sabbesu dhammesu anattānupassī viharati …pe….“First, take an individual who meditates observing not-self in all things. They perceive not-self and experience not-self. Constantly, continually, and without interruption, they apply the mind and fathom with wisdom. …”
1.2Aṭṭhamaṁ.