注維摩詰經 2.172

2.172

肇曰：神之處身，為老死所逼，猶危人之在丘井，為龍蛇所逼。緣在他經也。

[Seng]zhao says: The spirit dwelling in the body is pressed by old age and death, just as the imperiled man in the mound well is pressed by dragons and snakes. The circumstances are in another sūtra.