Attached action is selfish work that produces Karmic bondage, detached action is unselfish work or Seva that leads to nirvana, and forbidden action is harmful to society. The one who sees inaction in action, and action in inaction, is a wise person. Such a person is a yogi and has accomplished everything.
                                          Bhavagad Gita (4.18)

Cheers,

      - Mark