On discernment

“Discernment in beginners is true knowledge of themselves; in intermediate souls, it is a spiritual sense that faultlessly distinguishes what is truly good from what is of nature and opposed to it; and in the perfect, it is the knowledge which they have within by Divine illumination, and which can enlighten with its lamp what is dark in others” (Climacus, St. John [2012-06-12]. A Short Treatise of the Ladder of Divine Ascent [Kindle Locations 777-779]. Kindle Edition).