Bhagavad Gita 12.17
यो न हृष्यति न द्वेष्टि न शोचति न काङ्क्षति।शुभाशुभपरित्यागी भक्ितमान्यः स मे प्रियः।।12.17।।
Yo na hrishyati na dveshti na shochati na kankshati, shubhashubhaparityagi bhakitamanyah sa me priyah
Simple meaning, written by AIThe devotee who neither rejoices nor hates, neither grieves nor desires, and gives up both good and bad, is dear to me.