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

“Hitherto, in his state of ignorance and moral blindness, the spiritual part of his nature has, as it were, but hovered above him; he has been unconscious of its presence in his constitution; but now, having realized its existence, the day-spring from on high has visited him, and the nobler part of him descends into his lower nature, illuminating and enriching it.” [via]