Bāhiyasutta
Sāvatthinidānaṁ. Atha kho āyasmā bāhiyo yena bhagavā tenupasaṅkami; upasaṅkamitvā bhagavantaṁ abhivādetvā ekamantaṁ nisīdi. Ekamantaṁ nisinno kho āyasmā bāhiyo bhagavantaṁ etadavoca: “sādhu me, bhante, bhagavā saṅkhittena dhammaṁ desetu, yamahaṁ bhagavato dhammaṁ sutvā eko vūpakaṭṭho appamatto ātāpī pahitatto vihareyyan”ti. “Tasmātiha tvaṁ, bāhiya, ādimeva visodhehi kusalesu dhammesu. Ko cādi kusalānaṁ dhammānaṁ? Sīlañca suvisuddhaṁ, diṭṭhi ca ujukā. Yato ca kho te, bāhiya, sīlañca suvisuddhaṁ bhavissati, diṭṭhi ca ujukā, tato tvaṁ, bāhiya, sīlaṁ nissāya sīle patiṭṭhāya cattāro satipaṭṭhāne bhāveyyāsi.
With Bāhiya
At Sāvatthī. Then Venerable Bāhiya went up to the Buddha, bowed, sat down to one side, and said to him: “Sir, may the Buddha please teach me Dhamma in brief. When I’ve heard it, I’ll live alone, withdrawn, diligent, keen, and resolute.” “Well then, Bāhiya, you should purify the starting point of skillful qualities. What is the starting point of skillful qualities? Well purified ethics and correct view. When your ethics are well purified and your view is correct, you should develop the four kinds of mindfulness meditation, depending on and grounded on ethics.