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.

The interior fire element and the exterior fire element are just the fire 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 fire element, detaching the mind from the fire element.

The interior air element and the exterior air element are just the air 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 air element, detaching the mind from the air element.

When a mendicant sees these four elements as neither self nor belonging to self, they’re called a mendicant who has cut off craving, cast off the fetters, and by rightly comprehending conceit has made an end of suffering.”

Numbered Discourses 4.178 18. Intention Billabong