Kaivalya Upanishad — Mantra 19
मय्येव सकलं जातं मयि सर्वं प्रतिष्ठितम्। मयि सर्वं लयं याति तद्ब्रह्माद्वयमस्म्यहम्॥
Mayy eva sakalaṁ jātaṁ mayi sarvaṁ pratiṣṭhitam, mayi sarvaṁ layaṁ yāti tad brahmādvayam asmy aham
In me alone all is born, in me alone all is established, in me alone all dissolves — that non-dual Brahman, that I am.