That Karma Yogin whose mind is content with the knowledge of the self and the knowledge of the difference, i.e., whose mind is content with the knowledge concerning the real nature of the self as well as with the knowledge of the difference of Its nature from Prakrti; ‘who is established in the self’ (Kutasthah), i.e., who remains as the self which is of the uniform nature of knowledge in all stages of evolution as men, gods etc., whose senses are therefore subdued; and to whom ‘earth, stone and gold are of equal value’ because of his lack of interest in any material objects of enjoyment on account of his intense earnestness to know the real nature of the self as different from Prakrti—he, that Karma Yogi, is called integrated i.e., fit for the practice of Yoga which is of the nature of the vision of the self.

And also.