Vibhaṅgasutta

Suttapiṭaka · Saṁyuttanikāya · Mahāvaggasaṁyutta · Vol. 19 · Section 933

[933] "And what, bhikkhus, is the faculty of pain (dukkhindriya)? Whatever bodily suffering (dukkha) there is, bhikkhus, whatever bodily discomfort — painful, disagreeable feeling (vedanā) born of body-contact — this, bhikkhus, is called the faculty of pain."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

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