Gītārtha Saṃgraha verse 1

svadharma jñānavairāgya sādhya bhaktyeka gocaraḥ |
nārāyaṇaḥ paraṃ brahma gītāśāstre samāritaḥ ||

svadharma - own highest dutyjñāna - knowing; knowledge; higher knowledgevairāgya - dispassionbhakti - devotionparama - highest, most

Commentaries and Reflections

TKV Desikachar:

“The message of the Bhagavad Gītā is:
The vision of the lord is certain through
singular devotion developed by honouring ones Dharma
in a spirit that leads to clarity and detachment.”