Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 32
Sanskrit:
श्रीशुक उवाचइति नन्दादयो गोपा: प्रोक्तास्ते शौरिणा ययु: ।अनोभिरनडुद्युक्तैस्तमनुज्ञाप्य गोकुलम् ॥ ३२ ॥
ITRANS:
śrī-śuka uvācaiti nandādayo gopāḥproktās te śauriṇā yayuḥanobhir anaḍud-yuktaistam anujñāpya gokulam
Translation:
Śukadeva Gosvāmī said: After Vasudeva advised Nanda Mahārāja in this way, Nanda Mahārāja and his associates, the cowherd men, took permission from Vasudeva, yoked their bulls to the bullock carts, and started riding for Gokula.