Mahabharata 3.164.28

इन्द्र उवाच · indra uvāca

परीक्षार्थं मयैतत्ते वाक्यमुक्तं धनंजयममात्मजस्य वचनं सूपपन्नमिदं तव

parīkṣārthaṃ mayaitatte vākyamuktaṃ dhanaṃjayamamātmajasya vacanaṃ sūpapannamidaṃ tava

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