Bhagavad Gita 12.10
अभ्यासेऽप्यसमर्थोऽसि मत्कर्मपरमो भव।मदर्थमपि कर्माणि कुर्वन् सिद्धिमवाप्स्यसि।।12.10।।
Abhyasepyasamarthosi matkarmaparamo bhava, madarthamapi karmani kurvan siddhimavapsyasi
Simple meaning, written by AIEven if you cannot practice, become devoted to my service; by performing actions for my sake you will attain perfection.