Expedient means, sister, is demonstrating the dual gates (upāya iti bhagini yo mukhadvaysaṃdarśaṇaḥ), that is, the gate of existence and the gate of extinction (saṃsāramukhaṃ nirvāṇamukhaṃ ca), the gate of emptiness and the gate of freedom from viewpoints (śūnyatāmukhaṃ dṛṣṭivimokṣamukhaṃ ca), the gate of absence of distinguishing marks and the gate of freedom from distinguishing marks (ānimittamukhaṃ nimittavimokṣamukhaṃ ca), the gate of absence of no wishful thinking aand the gate of being born according to one’s wish (apraṇidhānamukhaṃ saṃcintyopapattimukhaṃ ca), the gate of absence of things formed and the gate of forming the good (anabhisaṃskāramukhaṃ kuśalābhisaṃskaraṇamukhaṃ ca), the gate of no birth and the gate of demonstrating birth (anutpādamukham utpādasaṃdarśanamukhaṃ ca), the gate of no activity and the gate of parts of the personality, spheres and fields of senseperception (apravṛttimukhaṃ skandhadhātvāyatanamukhaṃ ca), the gate of no origination and destruction and the gate of birth and activity (anutpādānirodhamukhaṃ utpādapravṛttimukhaṃ ca), the gate of isolation and the gate of maturing beings (vivekamukhaṃ satvaparipācanāmukhaṃ ca), the gate of total reality and the gate of caring for every single thing (dharmadhātumukhaṃ sarvadharmapratirakṣaṇamukhaṃ ca), the gate of the way of disciplines and the gate of the determination of the bodhisatva (śrāvakayānamukhaṃ bodhisatvādhyāśayamukhaṃ ca), the gate of isolated awakening and the gate of never forgetting the qualities of the Buddha (pratyekabodhimukhaṃ buddhadharmāsaṃpramoṣamukhaṃ ca).