Scholar and Protestant John De Soyres’ 1878 summary of Montanist beliefs

We conclude then, as follows, as to the origin and character of Montanism : I. That it was neither the individual theory propounded by a man, nor the reflection of any past manifestation, whether Jewish or Heathen; but a simple reaction towards the primitive simplicity of Christianity, with a claim to the fulfilment of distinct promises from Christ to His Spiritual…

The Struggle For a Pure Church – Montanism, Novations, Donatists, Arianism, Athanasius – by Charles Vedder 1907

CHAPTER V THE STRUGGLE FOR A PURE CHURCH THIS degeneration in the church, whose stages we traced in the preceding chapter, was a gradual process, whose completion occupied several centuries. It did not occur without resistance, determined, prolonged, and frequently renewed. Many attempts were made at a reformation of the church, a return to the…