Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 16
Sanskrit:
कमण्डलुं वेदगर्भ: कुशान्सप्तर्षयो ददु: ।अक्षमालां महाराज सरस्वत्यव्ययात्मन: ॥ १६ ॥
ITRANS:
kamaṇḍaluṁ veda-garbhaḥkuśān saptarṣayo daduḥakṣa-mālāṁ mahārājasarasvaty avyayātmanaḥ
Translation:
O King, Lord Brahmā offered a waterpot to the inexhaustible Supreme Personality of Godhead, the seven sages offered Him kuśa grass, and mother Sarasvatī gave Him a string of Rudrākṣa beads.