Bhagavad Gita 10.27
उच्चैःश्रवसमश्वानां विद्धि माममृतोद्भवम्। ऐरावतं गजेन्द्राणां नराणां च नराधिपम्।।10.27।।
uccaiḥśravasamaśvānāṃ viddhi māmamṛtodbhavam| airāvataṃ gajendrāṇāṃ narāṇāṃ ca narādhipam||10.27||
uccaihshravasamashvanam viddhi mamamritodbhavam airavatam gajendranam naranam ca naradhipam10.27
Meaning
Among horses, know Him to be Ucchaihshravas, born of the nectar of immortality; among lordly elephants, Airavata; and among humans, the king.
अश्वों में अमृत से उत्पन्न हुए उच्चैश्रवा नामक अश्व, हाथियों में ऐरावत और मनुष्यों में राजा मुझे ही जानो।
This is verse 27 of 42 in Chapter 10 (Vibhooti Yoga) of the Bhagavad Gita.