Chapter 6 · The Yoga of Meditation · Krishna said
Bhagavad Gita 6.14 — Mind fixed on God
प्रशान्तात्मा विगतभीर्ब्रह्मचारिव्रते स्थितः। मनः संयम्य मच्चित्तो युक्त आसीत मत्परः ॥
praśāntātmā vigatabhīrbrahmacārivrate sthitaḥ | manaḥ saṃyamya maccitto yukta āsīta matparaḥ ||
Meaning
Calm and fearless, firm in the vow of self-restraint, controlling the mind, he should sit absorbed in me, holding me as the highest goal.