At Pālileyyaka, having left Kosambī alone, the Bhagavā answers a bhikkhu's unspoken question of how one must know and see for the defilements to be destroyed immediately: every view of self, eternalism, annihilationism and doubt are mental constructions born of craving, impermanent and dependently originated (13S3/1.2.3.9, Khandhasaṃyutta).