Mahabharata 3.131.28

श्येन उवाच · śyena uvāca

इन्द्रोऽहमस्मि धर्मज्ञ कपोतो हव्यवाडयम्जिज्ञासमानौ धर्मे त्वां यज्ञवाटमुपागतौ

indro'hamasmi dharmajña kapoto havyavāḍayamjijñāsamānau dharme tvāṃ yajñavāṭamupāgatau

Our plain-language meaning of this verse is waiting for scholar review.