Yesha 'yahu (Isa) 6:1-3

In the year of King ‘Uziyahu’s death I saw Adonai sitting on a high, lofty throne! The hem of his robe filled the temple. S’rafim stood over him, each with six wings — two for covering his face, two for covering his feet and two for flying. They were crying out to each other, “More holy than the holiest holiness is ADONAI-Tzva’ot! The whole earth is filled with his glory!”