He is undeteriorating, unmanifested and eternal. He is designated the Purusha, he is ever sung but never known by any body.
एतदक्षरमव्यक्तमेतद् वै शाश्वतं महः। यत् तत् पुरुषसंज्ञं वै गीयते ज्ञायते न च॥