The Long Āgama Sūtra 25.9

25.9

「迦葉！彼有智者作如是觀，沙門瞿曇弟子於諸善法、清白、微妙及賢聖法，彼異眾師弟子於諸善法、清白、微妙及賢聖法，誰能堪任增長修行者？迦葉！彼有智者作如是觀，如是知見，唯有沙門瞿曇弟子能堪任增長修行是法。迦葉！彼有智者作如是觀，如是推求，如是論時，於我弟子則有名稱。迦葉！有道有迹，比丘於中修行，則自知自見，沙門瞿曇時說、實說、義說、法說、律說。

“Kāśyapa, those who are wise make this observation: ‘When the ascetic Gautama’s disciples have skillful qualities, pristine, sublime, and noble, and the disciples of other teachers have the same qualities, which of them is capable of cultivating them and making them grow?’ Kāśyapa, when the wise make this observation, they thus know and see, ‘Only the ascetic Gautama’s disciples are capable of cultivating these qualities and making them grow.’ Kāśyapa, when the wise make this observation, inquire into this, and discuss this, my disciples are who they name.

“Kāśyapa, there’s a path and a way that a monk cultivates, and then he himself will know and see: ‘The ascetic Gautama’s speech is timely, genuine, meaningful, the teaching, and the discipline.’ Kāśyapa, what is the path and what are the way that a monk cultivates, and then he himself will know and see: ‘The ascetic Gautama’s speech is timely, genuine, meaningful, the teaching, and the discipline’?