Bhagavad Gita 6.20 Chapter 6, Verse 20

यत्रोपरमते चित्तं निरुद्धं योगसेवया ।
यत्र चैवात्मनाऽऽत्मानं पश्यन्नात्मनि तुष्यति ॥६.२०॥

yatroparamate cittaṃ niruddhaṃ yogasevayā
yatra caivātmanā''tmānaṃ paśyannātmani tuṣyati

Meaning

Where the mind, restrained by the practice of yoga, comes to rest, and where, seeing the Self by the self, one is content in the Self;

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 6.20 (Chapter 6, The Yoga of Meditation (Atma Samyama Yoga), Verse 20)