一則本生故事，講述一位臨終苦行者導師以「無」字回答弟子所問、意指洞見諸法性空，弟子們起初不解，直到其大弟子——即舍利弗前生——為眾人解說明白。

A Jātaka about a dying ascetic teacher whose cryptic reply of “nothing” — meaning insight into emptiness — was misunderstood by his disciples until his chief disciple, later identified with Sāriputta, clarified its meaning.