Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 10
Sanskrit:
गोविप्रदेवतावृद्धगुरून् भूतानि सर्वश: ।नमस्कृत्यात्मसम्भूतीर्मङ्गलानि समस्पृशत् ॥ १० ॥
ITRANS:
go-vipra-devatā-vṛddha-gurūn bhūtāni sarvaśaḥnamaskṛtyātma-sambhūtīrmaṅgalāni samaspṛśat
Translation:
Lord Kṛṣṇa would offer obeisances to the cows, brāhmaṇas and demigods, His elders and spiritual masters, and all living beings — all of whom are expansions of His supreme personality. Then He would touch auspicious things.