1.1PTS 1.151“Tayo, bhikkhave, atthavase sampassamānena alameva paresaṁ dhammaṁ desetuṁ.“Mendicants, taking three reasons into consideration provides quite enough motivation to teach Dhamma to another.1.2Katame tayo?What three?1.3Yo dhammaṁ deseti so atthappaṭisaṁvedī ca hoti dhammappaṭisaṁvedī ca.When the teacher understands the meaning and the teaching.1.4Yo dhammaṁ suṇāti so atthappaṭisaṁvedī ca hoti dhammappaṭisaṁvedī ca.When the audience understands the meaning and the teaching.1.5Yo ceva dhammaṁ deseti yo ca dhammaṁ suṇāti ubho atthappaṭisaṁvedino ca honti dhammappaṭisaṁvedino ca.When both the teacher and the audience understand the meaning and the teaching.

1.6Ime kho, bhikkhave, tayo atthavase sampassamānena alameva paresaṁ dhammaṁ desetun”ti.Taking these three reasons into consideration provides quite enough motivation to teach Dhamma to another.”

1.7Tatiyaṁ.