坐禪三昧經 1.9

1.9

Those with an excess of lust should practice the contemplation of impurity. From the feet to the hair, it is filled with impurity: hair of the head, hair of the body, nails, teeth, epidermis, dermis, blood, flesh, sinews, vessels, bone marrow, liver, lungs, heart, spleen, kidneys, stomach, large intestine, small intestine, feces, urine, snot, spittle, sweat, tears, grime, pus, brain, bladder, bile, serum, subcutaneous fat, and cranial membranes. Within the body there are various impurities such as these. Furthermore, regarding the contemplation of impurity: one contemplates the bluish-bruised, the bloated and distended, the ruptured and bleeding, smeared with foul pus, incompletely devoured [by beasts], scattered bones, and charred ashes. This is called the contemplation of impurity.