一位游行者，曾到舍卫城拜访佛陀，探讨苦乐的根源；得知无明是一切有为法的根本后，据说他成为了佛陀的信徒。

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.