Bhagavad Gita, Chapter 6, Verse 7

जितात्मनः प्रशान्तस्य परमात्मा समाहितः । शीतोष्णसुखदुःखेषु तथा मानापमानयोः

jitātmanaḥ praśāntasya paramātmā samāhitaḥ | śītoṣṇasukhaduḥkheṣu tathā mānāpamānayoḥ

Translation

The self-controlled and serene man's Supreme Self is steadfast in cold and heat, in pleasure and pain, as also in honour and disgrace.

— Alladi Mahadeva Sastri

Word meanings

jitātmanaḥ
conquered, self, whose, of him
praśāntasya
of the peaceful
paramātmā
highest self
samāhitaḥ
balanced
śītoṣṇasukhaduḥkheṣu
in heat, and, in cold, and, in pleasure, and, in pain, and
tathā
so
mānāpamānayoḥ
in respect, and, in disrespect, and

Śaṅkarācārya's commentary

When a man has subdued the aggregate of the body and the senses, when his mind (antaḥ-karaṇa) is tranquil, when he has renounced all actions, then the Supreme Self actually becomes his own Self.