Srimad Bhagavatam Canto 10, Chapter 80, Text 30

SB 10.80.30

kecit kurvanti karmani
 kamair ahata-cetasah
tyajantah prakrtir daivir
 yathaham loka-sangraham
 
Translation: 
 
Having renounced all material propensities, which spring from the Lord’s illusory energy, some people execute worldly duties with their minds undisturbed by mundane desires. They act as I do, to instruct the general populace.
Srimad Bhagavatam Canto 10, Chapter 80, Text 29
Srimad Bhagavatam Canto 10, Chapter 80, Text 31