Anuruddhasaṅyuta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 1261

[1261] …in dhammas internally… …in dhammas externally… He dwells contemplating in dhammas internally and externally the nature of origin. He dwells contemplating in dhammas internally and externally the nature of vanishing (vaya). He dwells contemplating in dhammas internally and externally the nature of both origin and vanishing — ardent, clearly comprehending, mindful, having removed covetousness and grief regarding the world.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.