Vishnupurana 2.16.p1

2.16.p1

"After the expiration of another thousand years Ribhu again repaired to that city for conferring knowledge upon him. The ascetic beheld Nidagha at the outside of the city when the king was about to enter it with a huge army and a host of relations. He saw his illustrious pupil standing at a distance avoiding the crowd—his throat was parched with hunger and thirst consequent upon carrying thicket fuel and holy grass. Beholding Nidagha and saluting him Ribhu said—'Why are you standing aloof, O twice-born one?'