ये तु धर्म्यामृतमिदं यथोक्तं पर्युपासते। श्रद्धाना मत्परमा भक्तास्तेऽतीव मे प्रियाः॥
Transliteration
ye tu dharmyāmṛtam idaṃ yathoktaṃ paryupāsate | śraddha-dhānāḥ mat-paramā bhaktāste’tīva me priyāḥ || 20 ||
Translation
But those devotees who adopt this ambrosial virtuous conduct (dharma) as taught above, who are full of faith and who regard Me as the Supreme — they are exceedingly dear to Me.
Purport
This is the last Shloka of the chapter. Shri Krishna in this Shloka concludes all the virtues described in earlier Shlokas for a human make human good. And any human having those noble virtues is dear to Shri Krishna.
In other words, we may consider all the characteristics suggested in earlier Shlokas are the virtues which human can acquire to achieve enlightenment and have a peaceful and serene life.