Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Karma Yoga Chapter 3, Verse 3.17.
Sanskrit
यस्त्वात्मरतिरेव स्यादात्मतृप्तश्च मानवः । आत्मन्येव च सन्तुष्टस्तस्य कार्यं न विद्यते ॥ ३.१७ ॥
Hindi
परन्तु जो मनुष्य आत्मामें ही रमण करनेवाला और आत्मामें ही तृप्त तथा आत्मामें ही सन्तुष्ट हो, उसके लिये कोई कर्तव्य नहीं है|
English
He, O Arjuna, who is satisfied and content in himself, and he who is absorbed in himself, actions and duties do not exist (for him).