《经集·蛇品》中的一部经，记载铁匠之子纯陀请佛陀说明世间沙门的四种类别。

A discourse in the Suttanipāta’s Uraga Vagga in which the smith Cunda Kammāraputta asks the Buddha to explain the four classes of recluses in the world.

记载沙弥纯陀向阿难与佛陀禀报舍利弗圆寂的消息，佛陀赞叹舍利弗的成就并借此教导无常之理的一部经。

A discourse recounting how the novice Cunda brought news of Sāriputta’s death to Ānanda and the Buddha, who praised Sāriputta’s attainments and used the occasion to teach on impermanence.

记载大纯陀在娑诃阇提为僧众开示如何辨别僧人自称证悟之真伪的一部经。

A discourse in which Mahā Cunda teaches the monks at Sahajātī how to distinguish a monk’s true claims about his own attainments from false ones.