© Leo Reynolds, used under a Creative Commons licence (by-nc-sa-2.0).

Gray’s the color of life

Understanding the Gray Matrix ngel promoted a revolution. Not Engels the Marxist thinker, but James Engel the missiologist. He first outlined what has become known as the ‘Engel Scale of Spiritual Decision’. This describes the way in which an individual, or by extension a whole group, progress in their understanding of the gospel, as God’s sovereign grace begins to illuminate …