Mahabharata 9.61.7

9.61.7

śibiraṃ samanuprāpya kururājasya pāṇḍavāḥ |
avaterurmahārāja rathebhyo rathasattamāḥ || 7 ||

Arrived at the pavilion of the Kuru king, the Pandavas, those foremost of car-warriors, O monarch, dismounted from their cars. At that time, always engaged, O bull of Bharata's race, in the good of his friend, Keshava, addressed the wielder of gandiva, saying, "Take down thy gandiva as also the two inexhaustible quivers. I shall dismount after thee, O best of the Bharatas! Get thee down, for this is for thy good, O sinless one!"