Emptiness and Om

Somewhere reading the book i found something sensible like 'You think you're right , i think i'm right but at last we're neither right neither wrong.' So what is that which is neither right neither wrong. This might seem little bit confusing. But my interest lies in the question i.e 'What is the emptiness. Whole universe is made from nothing and from everything. Why is our access to the higher intellect restricted? I do know it is the physical limitation and the lack of our proper knowledge of manifestation but why this sort of answer to my own question doesn't even satisfies me.' Why is Om called without end, without beginning, without. This is the thought that striked me after reading one of the Upanishad from Hindu Vedic book i.e Chadogya Upanishada. Please enlighten. Thank you Stack Overflow community.