Rahogatavagga

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 1265

[1265] Then the Venerable Mahāmoggallāna said this to the Venerable Anuruddha: "Friend Anuruddha, in what way, then, are the four establishments of mindfulness (satipaṭṭhāna) undertaken by a bhikkhu?"

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 19 · Section 1254 — Anuruddhasaṅyuta