Bhagavad Gita 18.45

स्वे स्वे कर्मण्यभिरतः संसिद्धिं लभते नरः।स्वकर्मनिरतः सिद्धिं यथा विन्दति तच्छृणु॥

sve sve karmaṇyabhirataḥ saṃsiddhiṃ labhate naraḥ |svakarmanirataḥ siddhiṃ yathā vindati tacchṛṇu ||

Each person devoted to their own duty attains perfection. How they attain perfection while being engaged in their own duty, hear now.

Perfection is attained when one diligently attends to their duty. Listen, and I will tell you how it is attained by one who always minds their own duty.

Our plain-language meaning of this verse is waiting for scholar review.