John Trapp on Mark 5:15-16

Verse 15. They come to Jesus] And, amazed with the miracle, they expostulate not an injury; but acknowledging him Lord of all, they beg him to be gone, lest they should sustain further losse by him: The Devill shall have his dwelling again in themselves rather then in their pigges (as that martyr phrasedBradford. it) they will rather lose Christ then their porket. And in his right mind] Sanguis medici factus est medicina phrenetici. The Surgions bloud was the sick mans salve.