The book seeks to describe the psychological processes that are involved in arriving at religious knowledge. The view that direct knowledge is impossible in the religious domain, only 'faith' possible, is rejected. It is argued that the ways in which people come to know other things, in particular how people arrive at personal insights, is close at many points to how they arrive at religious insights. The psychological processes involved in religious knowing are described in the terminology of contemporary cognitive psychology.

Because Pentecostalism is a Spirit movement, Pentecostals favor worship in which the Spirit moves. Pentecostal worship means experiencing the Holy Spirit in the fellowship of the Church. This worship experience includes anointed singing, inspired preaching, and observance of the holy sacraments. However, the goal of worship is to encounter the Holy Spirit at the altar. It is in the altar that souls are "gloriously saved," converts are sanctified, the sick are healed, and seekers are baptized in the Holy Spirit. These altar calls may be noisy and chaotic events, or they may be somber and...