Thus my first impressions encouraged me to emphasize the differences between Pentecostalism and Evangelicalism. These impressions were reinforced by my reading of the writings of Walter Hollenweger and by a growing sense that the charismatic movement needed to affirm its kinship with Pentecostalism, but not copy its theology, if it was to retain its dynamic power and impact. Being more impressed by Pentecostal practice than Pentecostal theory, I was more struck by the spiritual reality of ‘Pentecost’