Udanavarga 3.37

3.37

爾時村中五百人聞說偈已，皆作沙門得羅漢道，村人大小皆信三尊。佛與五百人飛還竹園。

On this the villagers embraced the faith and became Rahats, and Buddha and his followers returned through the air to the bamboo grove, on which occasion the World-honoured explained to Ananda that in former days, when he had been a Pratyeka Buddha, he had, underneath this same tree, obtained Nirvāna, and because the villagers had piously burnt his body, and collected his relics and placed them in a casket, and done reverence to them, they were now privileged to hear him preach, and so had obtained the fruition of the Paths. After this explanation, countless Devas obtained knowledge of the Paths.