The Long Āgama Sūtra 8.13

8.13

時，散陀那居士禮世尊足，於一面坐。尼俱陀梵志問訊佛已，亦一面坐，而白佛言：「沙門瞿曇！從本以來，以何法教訓誨弟子，得安隱定，淨修梵行？」

The householder Sandhāna then bowed at the Bhagavān’s feet and sat to one side. The wanderer Nigrodha exchanged greetings with the Buddha, and then he also sat to one side. He said to the Buddha, “Ascetic Gautama, up until now, what teaching have you given your disciples so that they attain peaceful samādhi and purely cultivate the religious life?”