Rig Veda:~ 'Prajnanam Brahma': - Consciousness is the ultimate reality or Brahman or God in truth.
Yajurveda – chapter- 32:~ It has been said that God is the Supreme Spirit.
Rig Veda: ~ The Atman (Soul or Spirit) is the cause; Atman is the support of all that exists in this universe. May ye never turn away from the Atman, the Self. May ye never accept another God in place of the Atman nor worship other than the Atman?" (10:48, 5)
Chandogya Upanishad Chapter: ~ekam evaditiyam- God is only one without a second. (6- Section- 2- Verse- 1)
Swethaswethara Upanishad:~ Na casya kasuj janita na cadhipah, which means of him of Almighty God, there are no parents they have got no lord. Almighty God has no true father, he has no true mother, he has no true superior. (Chapter-6- Verse -9)
Swethaswethara Upanishad: ~ “Na Tasya Pratima Asti- of that God there is no Pratima, there is no likeness, there is no image, there is no picture, there is no photograph, there is no sculpture, there is no statue. (Chapter -4- Verse- 19)
Swethaswethara Upanishad:~ “No one can see the Almighty God (Chapter -4, Verse -20)