זוהר שמות — דף קסד ע”א

Jacob saw in the face of Esau the image of Samael himself, for wherever a person is bound, so appears his countenance. The righteous and holy ones of the generation are the visible face of the Shekhinah, while the Shekhinah herself is hidden within them. King David composed the Song of Ascents for Solomon, having seen the form of the Temple and knowing that no building can stand without the Supreme King of Peace. The Tabernacle was guarded by young Joshua, while the Temple is guarded by the Holy One, blessed be He, alone.