Bhagavad Gita 12.10
अभ्यासेऽप्यसमर्थोऽसि मत्कर्मपरमो भव। मदर्थमपि कर्माणि कुर्वन्सिद्धिमवाप्स्यसि।।12.10।।
abhyāse'pyasamartho'si matkarmaparamo bhava| madarthamapi karmāṇi kurvansiddhimavāpsyasi||12.10||
abhyase'pyasamartho'si matkarmaparamo bhava madarthamapi karmani kurvansiddhimavapsyasi12.10
Meaning
If you are unable to practice even this, then be dedicated to performing actions for Krishna's sake. Even by performing actions in His service, you will attain perfection.
यदि तुम अभ्यास में भी असमर्थ हो तो मत्कर्म परायण बनो; इस प्रकार मेरे लिए कर्मों को करते हुए भी तुम सिद्धि को प्राप्त करोगे।
This is verse 10 of 20 in Chapter 12 (Bhakti Yoga) of the Bhagavad Gita.