Bhagavad-gītā 2.15
BG 2.15 (1972)
Open the full passageयं हि न व्यथयन्त्येते पुरुषं पुरुषर्षभ । समदुःखसुखं धीरं सोऽमृतत्वाय कल्पते ॥१५॥
Sanskrit
yaṁ hi na vyathayanty ete puruṣaṁ puruṣarṣabha sama-duḥkha-sukhaṁ dhīraṁ so 'mṛtatvāya kalpate
Translation
O best among men [Arjuna], the person who is not disturbed by happiness and distress and is steady in both is certainly eligible for liberation.