All final spiritual reference is to be the silence beyond sound. The word made flesh is the first sound. Beyond that sound is the transcendent unknown, the unknowable. It can be spoken of as the great silence, or as the void, or as the transcendent absolute.
"The property of love is never to seek self, to keep back nothing, but to give everything to the one it loves. Blessed the soul that loves; the Lord has become its captive through love!"