Mandukya Upanishad
With an Advaita Commentary from our Understanding
by Kenneth Jaques | 31,733 words
The Mandukya Upanishad is a short, just twelve verses, description of the material manifestation and the eventual return to unmanifest form of the Universe....
Verse 28
28. The birth of the non existent either through or in reality is assuredly not reasonable; the son of a barren woman is not born either in reality or through Maya even.
As with the example of the Son of a barren woman, a logical impossibility (or we would have the existence of the non-existent) so with the birth of the existent from the non-existent, again logically impossible. The meaning is clear, Existence is without origination, unborn therefore Eternal.