Nuggets: Understanding Nothingness

You see, the wind – the flow of air around you – cannot die,
and yet it could never have been birthed.

There is no place where it dies.
And no place where it is birthed.

It is there.
As it has always been.
Just there, all around us, yet we see it not.
Only sense it.

That which has not been birthed is non-existent in the language of man,
yet that which cannot die is immortal.

How can something non-existent be immortal?