Bhagavad Gita 2.57
यः सर्वत्रानभिस्नेहस्तत्तत्प्राप्य शुभाशुभम्।
नाभिनन्दति न द्वेष्टि तस्य प्रज्ञा प्रतिष्ठिता।।2.57।।
Yah sarvatranabhisnehastattatprapya shubhashubham
Nabhinandati na dveshti tasya pragya pratishthita
Simple meaning, written by AIA person who is without attachment toward anything, and who neither welcomes nor dislikes whatever good or bad comes to him, has established wisdom.