One verse

Bhagavad Gita 2.57

2.57

यः सर्वत्रानभिस्नेहस्तत्तत्प्राप्य शुभाशुभम् | नाभिनन्दति न द्वेष्टि तस्य प्रज्ञा प्रतिष्ठिता ||२-५७||

yaḥ sarvatrānabhisnehastattatprāpya śubhāśubham . nābhinandati na dveṣṭi tasya prajñā pratiṣṭhitā ||2-57||

yaḥ
one who
sarvatra
everywhere
anabhisnehaḥ
without affection
tat
that
tat
that
prāpya
achieving
śubha
good
aśubham
evil
na
never
abhinandati
praises
na
never
dveṣṭi
envies
tasya
his
prajñā
perfect knowledge
pratiṣṭhitā
fixed

In the material world, one who is unaffected by whatever good or evil he may obtain, neither praising it nor despising it, is firmly fixed in perfect knowledge.