See, this hidden brightness in which one contemplates everything that one desires according to the way of emptiness of spirit, this brightness is so great that the loving contemplative neither sees nor feels anything in his ground in which he rests except an incomprehensible light. And according to the simple bareness which encompasses all things, he finds and feels himself to be that very light by which he sees, and nothing else.

The Spiritual Espousals (c. 1340)