Bhagavad Gita 10.12
Arjuna asked: Thou art the Supreme Spirit, the Eternal Home, the Holiest of Holies, the Eternal Divine Self, the Primal God, the Unborn, and Omnipresent.
अर्जुन उवाच
परं ब्रह्म परं धाम पवित्रं परमं भवान्।
पुरुषं शाश्वतं दिव्यमादिदेवमजं विभुम्॥arjuna uvāca
paraṃ brahma paraṃ dhāma pavitraṃ paramaṃ bhavān|
puruṣaṃ śāśvataṃ divyamādidevamajaṃ vibhum||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).