Bhagavad Gita Chapter 5 Verse 21
भगवद् गीता अध्याय 5 श्लोक 21

बाह्यस्पर्शेष्वसक्तात्मा विन्दत्यात्मनि यत्सुखम्।
स ब्रह्मयोगयुक्तात्मा सुखमक्षयमश्नुते।।5.21।।



हिंदी अनुवाद - स्वामी तेजोमयानंद
।।5.21।। बाह्य विषयों में आसक्तिरहित अन्तकरण वाला पुरुष आत्मा में ही सुख प्राप्त करता है ब्रह्म के ध्यान में समाहित चित्त वाला पुरुष अक्षय सुख प्राप्त करता है।।


Brahma Vaishnava Sampradaya - Commentary





In this verse Lord Krishna again  clarifies  yoga  or  the  science  of  the
individual   consciousness   attaining   communion   with    the    ultimate
consciousness and how this relates to equanimity  of  actions.  Without  any
other desires internal or external only the person who relishes  and  revels
in the atma or eternal  soul  is  alone  eligible  for  realisation  of  the
Brahman or the spiritual substratum pervading all existence  and  the  bliss
accompanying it. The communion of the atma is the same as the  communion  of
the Brahman for they both possess the same eternal nature and the  only  way
this communion can be attained is through mediation of  yoga  and  no  other
way.





Now begins the summary.





So it can be understood that if even by remembrance of the potencies of  the
Supreme Lord so much happiness can be gained then what can be said  for  one
who devotes themselves wholeheartedly to the Supreme Lord in a  concentrated
manner.