๑. สัทธรรมนิยามสูตร ที่ ๑

4. Catutthapaṇṇāsaka

16. 1. Saddhammavagga

1. Paṭhamasammattaniyāmasuttavaṇṇanā

Catutthassa paṭhame abhabbo niyāmaṃ okkamituṃ kusalesu dhammesu sammattanti kusalesu dhammesu sammattabhūtaṃ magganiyāmaṃ okkamituṃ abhabbo abhājanaṃ. Kathaṃ paribhotītiādīsu "kiṃkathā nāma esā"ti vadanto kathaṃ paribhoti nāma. "kinnāmesa katheti, kiṃ ayaṃ jānātī"ti vadanto kathikaṃ 1- paribhoti nāma. "mayaṃ kiṃ jānāma, kuto amhākaṃ etaṃ sotuṃ balan"ti vadanto attānaṃ paribhoti nāma. Vipariyāyena sukkapakkho veditabbo.