TIPITAKA Volume 19 : PALI ROMAN Sutta Pitaka Vol 11 : Sutta. Saṃ. Ma. Ānāpānasaṃyuttaṃ -------- ekadhammavaggo paṭhamo

[1305] Sāvatthī . tatra kho .pe. etadavoca ekadhammo bhikkhave bhāvito bahulīkato mahapphalo hoti mahānisaṃso . katamo ekadhammo. Ānāpānassati.