Indeed, the daily study of the Vedas is a duty. Sacrifice is (another) eternal duty. The making of gifts according to his power and the ordinance, is, in his case, much praised.
नित्यः स्वाध्यायिता धर्मो धर्मो यज्ञः सनातनः। दानं प्रशस्यते चास्य यथाशक्ति यथाविधि॥