[300] Again, bhikkhus, just as if a bhikkhu were to see a corpse discarded in a charnel ground (sivathikā) — being devoured by crows, or being devoured by vultures, or being devoured by hawks, or being devoured by dogs, or being devoured by jackals, or being devoured by various kinds of small creatures — he compares this very body with it: "This body too is of such a nature, it will become such, it has not gone beyond such a state." As he dwells thus, diligent … Thus too, bhikkhus, a bhikkhu develops mindfulness directed to the body (kāyagatāsati).
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.