। ॥ १५४ ॥
In plain words
The wise person who seeks freedom from bondage must take up this discrimination between the Self and the not-Self. Through that alone, a person becomes truly blissful -- by directly knowing their own Self as pure existence, consciousness, and bliss itself.
Close to the Sanskrit
Discrimination between the Self and the non-Self must be undertaken by the wise person for freedom from bondage. By that alone does one become blissful, having directly known one's own Self as existence-consciousness-bliss.