And what is the earth element? The earth element may be interior or exterior. And what is the interior earth element? Anything internal, personal, that’s hard, solid, and appropriated. This includes: head hair, body hair, nails, teeth, skin, flesh, sinews, bones, bone marrow, kidneys, heart, liver, diaphragm, spleen, lungs, intestines, mesentery, undigested food, feces, or anything else internal, personal, that’s hard, solid, and appropriated. This is called the interior earth element. The interior earth element and the exterior earth element are just the earth element. This should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’ When you truly see with right understanding, you grow disillusioned with the earth element, detaching the mind from the earth element.

And what is the water element? The water element may be interior or exterior. And what is the interior water element? Anything internal, personal, that’s water, watery, and appropriated. This includes: bile, phlegm, pus, blood, sweat, fat, tears, grease, saliva, snot, synovial fluid, urine, or anything else internal, personal, that’s water, watery, and appropriated. This is called the interior water element. The interior water element and the exterior water element are just the water element. This should be truly seen with right understanding like this: ‘This is not mine, I am not this, this is not my self.’ When you truly see with right understanding, you grow disillusioned with the water element, detaching the mind from the water element.