Passage
Digha Nikaya 25 (dn25:22.9)
pli dn
Yathānusiṭṭhaṁ tathā paṭipajjamāno—yassatthāya kulaputtā sammadeva agārasmā anagāriyaṁ pabbajanti, tadanuttaraṁ—brahmacariyapariyosānaṁ diṭṭheva dhamme sayaṁ abhiññā sacchikatvā upasampajja viharissati sattavassāni.