念佛三昧寶王論 2.22

2.22

問曰：「事解已竟，理何在耶？如《般舟三昧經》云：『心起想即癡，無想即涅槃。』今之用想，不亦然乎？」

The question asks: “The explanation of the phenomenon is finished, but where does the principle lie? As the Pratyutpanna-samādhi Sūtra says: ‘When the mind gives rise to thought, that is delusion; thoughtlessness is nirvāṇa.’ Does not the present use of thought also apply to this?”