The lessons he taught concerning the realm of God may well have touched the soul and caused the kind of awakening that actually healed the sick.
"Sometimes people think theology is some kind of criticism, but it’s about seeing the world more richly and fully." An interview with Dr. Stephen Pattison.
If I’m reading this right, it sounds like the power to heal in the Gospel of Thomas … belongs to those who love unselfishly and unpretentiously.
It's very likely that other demons were associated with other particular things. And it's interesting that he says this demon – that's the ‘noonday demon’ – is the demon represented in Psalm 91.
"The 'good news' I heard that night had a transforming effect on me. The love I felt was now everywhere around me. Healing and the transforming power ... of God have become intertwined for me now."