Chapter 12 · The Yoga of Devotion · Krishna said
Bhagavad Gita 12.13 — Friendly and compassionate
अद्वेष्टा सर्वभूतानां मैत्रः करुण एव च। निर्ममो निरहङ्कारः समदुःखसुखः क्षमी ॥
adveṣṭā sarvabhūtānāṃ maitraḥ karuṇa eva ca | nirmamo nirahaṅkāraḥ samaduḥkhasukhaḥ kṣamī ||
Meaning
One who hates no being, who is friendly and kind to all, free from "mine" and from ego, equal in pleasure and pain, and forgiving —
In today's life
Choosing kindness over grudges, even with difficult people, is the first mark of a true devotee.