Bhagavad Gita 8.21

अव्यक्तोऽक्षर इत्युक्तस्तमाहुः परमां गतिम्।यं प्राप्य न निवर्तन्ते तद्धाम परमं मम ॥८.२१॥

avyakto’kṣara ityuktastamāhuḥ paramāṃ gatimyaṃ prāpya na nivartante taddhāma paramaṃ mama

What is known as the Unmanifested and the Imperishable, That is said to be the highest goal. Those who reach It do not return (to this Samsara). That is My supreme abode (place or state).

गीता