Bhagavad Gita 2.57
यः सर्वत्रानभिस्नेहस्तत्तत्प्राप्य शुभाशुभम्।नाभिनन्दति न द्वेष्टि तस्य प्रज्ञा प्रतिष्ठिता॥
yaḥ sarvatrānabhisnehastattatprāpya śubhāśubham |nābhinandati na dveṣṭi tasya prajñā pratiṣṭhitā ||
He who is everywhere without attachment, upon encountering anything good or bad, neither rejoices nor hastens; his wisdom is firm.
He who, wherever he goes, is not attached to any person or place by ties of flesh; who accepts good and evil alike, neither welcoming the one nor shrinking from the other—take him to be one who is merged in the Infinite.
Our plain-language meaning of this verse is waiting for scholar review.