षण्णां तु कर्मणामस्य त्रीणि कर्माणि जीविका । याजनाध्यापने चैव विशुद्धाच्च प्रतिग्रहः ॥ ७६ ॥
sanskrit
But among the six acts (ordained) for him three are his means of subsistence, (viz.) sacrificing for others, teaching, and accepting gifts from pure men.
english translation