This preliminary course of conduct is first sanctioned for a Brahmana. Subsequently, when knowledge comes, he should begin work, for success lies in works.
एषा पूर्वगता वृत्तिाह्मणस्य विधीयते॥ ज्ञानागमेन कर्माणि कुर्वन् कर्मसु सिध्यति।