Kāyānupassīsutta
“Cha, bhikkhave, dhamme appahāya abhabbo kāye kāyānupassī viharituṁ. Katame cha? Kammārāmataṁ, bhassārāmataṁ, niddārāmataṁ, saṅgaṇikārāmataṁ, indriyesu aguttadvārataṁ, bhojane amattaññutaṁ. Ime kho, bhikkhave, cha dhamme appahāya abhabbo kāye kāyānupassī viharituṁ.
Observing the Body
“Mendicants, without giving up these six qualities you can’t meditate observing an aspect of the body. What six? Relishing work, talk, sleep, and company, not guarding the sense doors, and eating too much. Without giving up these six qualities you can’t meditate observing an aspect of the body.