Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 49
Sanskrit:
गुरुणैवमनुज्ञातौ रथेनानिलरंहसा ।आयातौ स्वपुरं तात पर्जन्यनिनदेन वै ॥ ४९ ॥
ITRANS:
guruṇaivam anujñātaurathenānila-raṁhasāāyātau sva-puraṁ tātaparjanya-ninadena vai
Translation:
Thus receiving Their guru’s permission to leave, the two Lords returned to Their city on Their chariot, which moved as swiftly as the wind and resounded like a cloud.