It is clear that to speak about this material (glass) is excessive to pretend to understand why you have this or that sensation. Everyone wants to explain it according sincere truth, that will feel inside without knowing how.
It’s light, it was penetrating inside it and stays so nonexistent before us, but at the same time very real. It is this light that enters within us but not evaluated and not so clearly reflects the unique value, hopeful and vital having the soul.