一位遊行者，曾到舍衛城拜訪佛陀，探討苦樂的根源；得知無明是一切有為法的根本後，據說他成為了佛陀的信徒。

A wanderer who visited the Buddha at Sāvatthi to discuss the origin of pleasure and pain, and, on learning that ignorance underlies all conditioned existence, is said to have become a follower of the Buddha.