Bhagavad-gītā 12.8
BG 12.8
Open the full passageमय्येव मन आधत्स्व मयि बुद्धिं निवेशय । निवसिष्यसि मय्येव अत ऊर्ध्वं न संशयः ॥८॥
Sanskrit
mayy eva mana ādhatsva mayi buddhiṁ niveśaya nivasiṣyasi mayy eva ata ūrdhvaṁ na saṁśayaḥ
Translation
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.