The Four Grades of Vision!
The Blessed Buddha once said:
In this some recluse or priest by means
of alert energetic effort and
through proper rational attention and concentrated focus
this sole thought: In this foul body of disgusting
enclosed by skin, there are
head and body hairs, nails, teeth, skin,
sinews, bones, marrow, kidneys, heart,
liver, pleura, spleen, lungs,
mesentery, intestines, stomach, excrement, bile, lymph,
fat, tears, tallow, spittle, snot, urine and fluid of the joints...
This is the first attainment of Vision...
Having done this and gone beyond it, he
regards and perceives
own or others, only as a chained frame of bones covered with flesh,
vessels, fat and skin. This is the second attainment of Vision...
Chain of Moments: Having done this
and gone further, he
comes to understand
experience this continuous sequence of discrete conscious moments
established in and manifesting both this world and all the other
This is the third attainment of Vision...
Continuous yet not Established:
Finally, having done this and gone even
beyond that, he comes to
understand and directly experience this unbroken
of consciousness, which is neither established in, nor manifesting anything
in this or any other world... This is the fourth attainment of Vision...
More on the crucial 1st and 2nd Anatomical Visions: