One verse

Bhagavad Gita 12.8

12.8

मय्येव मन आधत्स्व मयि बुद्धिं निवेशय | निवसिष्यसि मय्येव अत ऊर्ध्वं न संशयः ||१२-८||

mayyeva mana ādhatsva mayi buddhiṃ niveśaya . nivasiṣyasi mayyeva ata ūrdhvaṃ na saṃśayaḥ ||12-8||

mayi
upon Me
eva
certainly
manaḥ
mind
ādhatsva
fix
mayi
upon Me
buddhim
intelligence
niveśaya
apply
nivasiṣyasi
you will live
mayi
in Me
eva
certainly
ataḥ ūrdhvam
thereafter
na
never
saṁśayaḥ
doubt

Just fix your mind upon Me, the Supreme Personality of Godhead, and engage all your intelligence in Me. Thus you will live in Me always, without a doubt.