agent who is free from attachment, non-egoistic, endowed with firmness and enthusiasm, and
unaffected by success or failure, is called sattvika (pure).Passionate, desiring
to obtain the reward of actions, greedy, cruel, impure, moved by joy and sorrow, such an
agent is said to be rajasa (passionate).
Unsteady, vulgar, unbending, cheating, malicious, lazy,
desponding and procrastinating - such an agent is called tamasa.