Bhishma said Delusion or loss of judgement arises from the quality of Darkness. Anger, cupidity, fear and pride originate from the quality of Ignorance, O foremost of Bharata's race. When all these are destroyed, one becomes pure.
भीष्म उवाच रजसा साध्यते मोहस्तमसा भरतर्षभ। क्रोधलोभौ भयं दर्प एतेषां सादनाच्छुचिः॥