金剛三昧經論 2.94

2.94

經曰　無住菩薩言：「心得涅槃，獨一無伴，常住涅槃，應當解脫。」

The sūtra states: Mahābalavān Bodhisattva said, “If the mind attains nirvāṇa, is solitary and without companion, and permanently abides in nirvāṇa, it ought to be liberated.”