Chapter 18 · verse 69 · gita.yoga.org
Bhagavad Gita 18.69
न च तस्मान्मनुष्येषु कश्चिन्मे प्रियकृत्तमः।भविता न च मे तस्मादन्यः प्रियतरो भुवि
There is no one among men who does service dearer to Me, nor shall there be anyone on earth dearer to Me than him.