What kind of imagery did Jonathan Edward use in his sermons and to what effect?

Jonathan Edwards used vivid and often frightening imagery, such as portraying sinners as Spiders dangling over the flames of hell. This type of imagery was meant to evoke fear and conviction in his listeners, driving them to repentance and faith. Edwards believed that through these intense images, he could help his congregation grasp the seriousness of sin and the urgency of salvation.