The knowledge which a man of pious deeds acquires from Vedic sayings leads to omniscience. That omniscience is at on with the science of the highest object of human acquisition. Instructions, given to the grateful, become beneficial.
श्रुतं समस्तमश्नुते प्रकुर्वतः शुभाः क्रियाः। तदेतदर्थदर्शनं कृतज्ञमर्थसंहितम्॥