Bhagavad Gītā Chapter Five verse 7

yoga-yukto viśuddha-ātmā vijita-ātmā jita-indriyaḥ |
sarva-bhūta-ātma-bhūta-ātmā kurvann api na lipyate ||

yoga - the act of yokingyukta - connected; skilful; made use ofviśuddhi - special purityātman - essence; the highest personal principle of life; the individual soul, selfindriya - faculty of sense; sense; organ of sensesarva - allbhūta - element; living beingapi - even, also, very; something more; moreover