Bhagavad Gita 12.8
Then let your mind cling only to Me, let your intellect abide in Me; and without doubt, you will live hereafter in Me alone.
मय्येव मन आधत्स्व मयि बुद्धिं निवेशय।निवसिष्यसि मय्येव अत ऊर्ध्वं न संशयः॥mayyeva mana ādhatsva mayi buddhiṃ niveśaya|nivasiṣyasi mayyeva ata ūrdhvaṃ na saṃśayaḥ||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).