Mahabharata 3.279.10

अश्वपतिरुवाचसुखं च दुःखं च भवाभवात्मकं; यदा विजानाति सुताहमेव चन मद्विधे युज्यति वाक्यमीदृशं; विनिश्चयेनाभिगतोऽस्मि ते नृप

aśvapatiruvācasukhaṃ ca duḥkhaṃ ca bhavābhavātmakaṃ; yadā vijānāti sutāhameva cana madvidhe yujyati vākyamīdṛśaṃ; viniścayenābhigato'smi te nṛpa

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