Ashtangasamgraha 7.24

7.24

One should therefore always employ longevity-promoting [regimens], O wise one! // Resembling the mouth of an earthworm, slimy and soft. // Having taken parts measured in palas, and one pala of parpaṭaka... // Complications arise from the administrator: too slow, external, or excessively forceful application. // Among them, one who speaks with a distorted voice, terrifies others, recites sacred texts, speaks Sanskrit, and repeatedly begs for water, is possessed by Yajñasena.