Srimad Bhagvata Mahapurana: Book 11: Chapter 10: Verses 1-8
The Lord said : Attentive to the righteous duties taught by Me, and depending upon Me, and forsaking all desires, man should follow the conduct prescribed for his caste, order and family. Having thus purified his mind, he should observe how the actions of worldly men attached to sense-pleasures, who consider them to be real, produce contrary results (cause misery). As the dreams of a sleeping person and the fancies of one drowned in a reverie are of no value, being of a diversified character, so is the notion of differences produced by the Gunas illusory. One who is devoted to Me should perform all obligatory or occasional duties but should forsake all actions prompted by desire. If one is fully engaged in an inquiry into the Self, he need not attend even to his prescribed duties. My votary should devoutly practise austerities and at times observe sacred vows (too), and he should wait upon his preceptor of tranquil mind who has realized Me as identical with Myself. He should be free from pride, jealousy, sloth and attachment; he should be firmly devoted to his preceptor and cool, and a seeker after Self-Knowledge he should not be fault-finding and one indulging in useless talk. He should not feel attached to his wife, children, home, lands, relations and wealth etc., and should find his purpose equally in all. As a burning fire, that shows things, is different from the piece of wood that is burnt and illumined, so is the self-manifest soul, the witness of all, distinct from the subtle and gross bodies.