The Deeper Symbolism of Freemasonry from The Meaning of Masonry by Walter Leslie Wilmshurst.

“By the assistance of these lesser lights within us, a man is enabled to perceive what is, again symbolically, called the ‘form of the Lodge,’ i.e. the way in which his own human nature has been composed and constituted, the length, breadth, height and depth of his own being.” [via]