3.17 यः who, तु but, आत्मरतिः who rejoices in the Self, एव only, स्यात् may be, आत्मतृप्तः satisfied in the Self, च and, मानवः the man, आत्मनि in the Self, एव only, च and, सन्तुष्टः contented, तस्य his, कार्यम् work to be done, न not, विद्यते is.Commentary: The sage does not depend on external objects for his happiness. He is ite satisfied with the Self. He finds his joy, bliss and contentment within his own Self. For such a sage who has knowledge of the Self, there is nothing to do. He has already done all actions. He has satisfied all his desires. He has complete satisfaction. (Cf.II.55).