Upanishad Svetasvara
He is God, hidden in all beings, his inner soul, present in everything.
He watches over the works of creation, lives in everything, watches over everything …
He is pure consciousness.
Only those who see God in their souls reach eternal joy.
Reference
The Upanishads . Translation from sanscrit by Juan Mascaro. Penguin Books, London (1965) ISBN 13: 9780140441635