UtshovBhagavad Gita 3.17
यस्त्वात्मरतिरेव स्यादात्मतृप्तश्च मानवः।
आत्मन्येव च सन्तुष्टस्तस्य कार्यं न विद्यते।।3.17।।
Yastvatmaratireva syadatmatriptashcha manavah
Atmanyeva cha santushtastasya karyam na vidyate
Simple meaning, written by AIA person who is devoted only to his own self and is satisfied with the self has no other duty to perform.