If the history of Pentecostalism following the birth of the movement in 1900/1906 is astonishing, the history leading up to Pentecostalism's birth is decisive for our judgment, whether Pentecostalism is of God. Pentecostalism derives directly from the theology of the 18th century English preacher John Wesley, particularly from Wesley's teaching of a "second blessing" in the life and experience of the Christian. According to Wesley, there is a second work of grace in the Christian after conversion that brings one to a higher level of salvation: the level of "sinless perfection."
Ang iglesiya at kilusan ni Wimber ay hindi isang paglihis, kundi isa itong tunay na bahagi at pag-unlad ng kilusang Pentecostal. “Pangatlong alon: ng Pentecostalismo ang siyang tawag ng mga Pentecostal sa pangyayaring ito. Kung kamanghamangha man ang kasaysayan ng kilusang ito, mula sa kapanganakan nito noong 1900/1906, tiyak naman ang ating hatol kung ito ang buhat sa Diyos o hindi.