@8 aṅ.aṭṭhaka. 23/109/203, 110/210 (syā) khu.u. 25/45/168, vi.cūḷa. 7/385/208 Hontū"tiādimanasikāravaseneva mettaṃ bhāveyya, kiṃ pana "aho vata yo koci parapuggalo yaṃ kañci parapuggalaṃ vañcanādīhi nikatīhi na nikubbetha, jātiādīhi ca navahi mānavatthūhi katthaci padese yaṃ kañci parapuggalaṃ nātimaññeyya, aññamaññassa ca byārosanāya vā paṭighasaññāya vā dukkhaṃ na iccheyyā"ti evampi manasikaronto bhāveyyāti.

[149] Evaṃ ahitadukkhānāgamanapatthanāvasena atthato mettābhāvanaṃ dassetvā idāni tameva upamāya dassento āha "mātā yathā niyaṃ puttan"ti.

Tassattho:- yathā mātā niyaṃ puttaṃ attani jātaṃ orasaṃ puttaṃ, tañca ekaputtameva āyusā anurakkhe, tassa dukkhāgamanapaṭibāhanatthaṃ attano āyumpi cajitvā taṃ anurakkhe, evampi sabbabhūtesu idaṃ mettamānasaṃ bhāvaye, punappunaṃ janaye vaḍḍhaye, tañca aparimāṇasattārammaṇavasena ekasmiṃ vā satte anavasesapharaṇavasena aparimāṇaṃ bhāvaye iti.

[150] Evaṃ sabbākārena mettābhāvanaṃ dassetvā idāni tasseva vaḍḍhanaṃ dassento āha "mettañca sabbalokasmin"ti.