四分律行事鈔資持記 3.930

3.930

次科，《智論》。樂因緣者，且指人天，如注所顯；出家之人，修出離業，則以涅槃為樂。次引《僧祇》證上。可解。是知出家本為弘法。即下，三引受戒說相，以示雙修。

In the next section, the Mahāprajñāpāramitopadeśa: 'the causes and conditions for happiness' provisionally refers to humans and devas, as shown in the note; a person who has left home cultivates the karma of transcendence, thus taking nirvāṇa as happiness. Next, it cites the Mahāsāṃghika-vinaya to verify the above, which can be understood. From this we know that leaving home fundamentally aims at propagating the Dharma. From 'That is' down, thirdly, it cites the proclamation of marks upon receiving the precepts to show dual cultivation.