4.16 What is the form of the action which should be done by an aspirant for liberation?  And what is non-action?  Knowledge about the true nature of the acting self, is spoken of as non-action. The wise, even the learned scholars, are puzzled, i.e., do not truly know, both these - the proper form of the actions to be performed and the proper form of knowledge included in it. I shall teach you that action which includes knowledge within itself. Knowing, i.e., following it, you will be released from evil, i.e., from the bondage of Samsara. Knowledge about the work to be performed results in its performance.

Why is it so difficult to know this Karma?  Sri Krsna replies: