The works of sacrifice, gifts and penance should not be renounced. They should indeed be performed, for, sacrifices, gifts and penances are the means for the purification of the wise.
यज्ञदानतपःकर्म न त्याज्यं कार्यमेव तत्। यज्ञो दान तपश्चैव पावनानि मनीषिणाम्॥