At present you should, therefore, celebrate great sacrifices with profuse presents. Amongst the very Rishis, some celebrate the sacrifice represented by Vedic study, and some that represented by knowledge.
तस्मात् पार्थ महायज्ञैर्यजस्व बहुदक्षिणैः। स्वाध्याययज्ञा ऋषयो ज्ञानयज्ञास्तथापरे॥