CC Madhya 8.35

kāhāṅ tumi — sākṣāt īśvara nārāyaṇa
kāhāṅ muñi — rāja-sevī viṣayī śūdrādhama
Synonyms: 
kāhāṅ — whereas; tumi — You; sākṣāt — directly; īśvara nārāyaṇa — the Supreme Personality of Godhead; kāhāṅ — whereas; muñi — I; rāja-sevī — government servant; viṣayī — materialist; śūdra-adhama — worse than a śūdra, or fourth-class man.
Translation: 
“You are the Supreme Personality of Godhead, Nārāyaṇa Himself, and I am only a government servant interested in materialistic activities. Indeed, I am the lowest among men of the fourth caste.