The metals used in the building of the Tabernacle were all emblematic. Gold represents spirituality, and the golden plates laid over the shittim-wood were emblems of the spiritual nature which glorifies the human nature symbolized by the wood. Mystics have taught that man’s physical body is surrounded by a series of invisible bodies of diverse colors and great splendor. In the majority of people the spiritual nature is concealed and imprisoned in the material nature, but in a few this internal constitution has been objectified and the spiritual nature is outside, so that it surrounds man’s personality with a great radiance.

Manly P. Hall. The Secret Teachings of All Ages