From A Divine and Supernatural Light, by Jonathan Edwards
This spiritual light is the dawning of the light of glory in the heart.
Reason’s work is to perceive truth and not excellency. It is not ratiocination that gives men the perception of the beauty and amiableness of a countenance.
There is a difference between having an opinion that God is holy and gracious, and having a sense of the loveliness and beauty of that holiness and grace.