He should always observe fasts, keep his soul under restraint, devote himself to the study of the Vedas, and be pure in body and mind, He should sleep on blades of Kusha grass spread out in his fired chamber.
सदोपवासी नियतः स्वाध्यायनिरतः शुचिः। बर्हिष्कान्तरिते नित्यं शयानोऽग्निगृहे सदा॥