God. The efficacy of the sermon may lead to a reinforcement, correction, or transformation of the convictions the listeners already have as the speaker and the listener are invited to think again about beliefs. Using vivid, attractive, and engaging language enjoins the intellect and emotion as persons reconsider their faith.10 Language is manifest in rhetoric through a communication channel, encoding-decoding symbols, and signs between a speaker and listener. Joseph Webb, in Preaching and the Challenge
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