5 definitions
External world (n.) is Mind seen as multiplicity, sprung from discrimination and habit-energy; body, property and home are nothing but Mind.
Nirvana (n.) exists only where Samsara is, and Samsara only where Nirvana is, since existence is not made of mutually exclusive things.
Non-duality (n.) means that light and shade, long and short, nirvana and samsara are not independent: there is no nirvana except where there is samsara.
Samsara (n.) and nirvana cannot be pulled apart; those who flee birth-and-death toward nirvana imagine it as the future annihilation of the senses.
Turning about (n.) in the deepest seat of consciousness is the moment the silkworm's cocoon opens and it goes forth winged as a moth.