Bhagavad Gita 12.20
ये तु धर्म्यामृतमिदं यथोक्तं पर्युपासते। श्रद्दधाना मत्परमा भक्तास्तेऽतीव मे प्रियाः।।12.20।।
ye tu dharmyāmṛtamidaṃ yathoktaṃ paryupāsate| śraddadhānā matparamā bhaktāste'tīva me priyāḥ||12.20||
ye tu dharmyamritamidam yathoktam paryupasate shraddadhana matparama bhaktaste'tiva me priyah12.20
Meaning
Those who follow this immortal path of dharma as described, endowed with faith, regarding Krishna as the supreme goal — such devotees are exceedingly dear to Him. This is Krishna's concluding promise.
जो श्रद्धावान् भक्त मुझे ही परम लक्ष्य मानकर इस धर्ममय अमृत उपदेश का आचरण करते हैं, वे भक्त मुझे अति प्रिय हैं।
This is verse 20 of 20 in Chapter 12 (Bhakti Yoga) of the Bhagavad Gita.