《義品》第二經，佛陀臥於床上為賓頭盧頗羅墮長老所說——長老先前因優填王之怒而遁逃——警示執著於喻為「洞窟」的身軀將招致恆常的恐懼。

The second discourse of the Aṭṭhakavagga, taught by the Buddha from his bed to the elder Piṇḍola-Bhāradvāja after the latter fled King Udena’s anger, warning that clinging to the body, spoken of as a cave, breeds constant fear.