Charles Finney addresses the dangers of excessive emotional excitement in religious revivals, emphasizing that true religion is rooted in the heart's obedience to God's law rather than being driven by feelings. He warns that high levels of excitement can lead to delusions and false hopes, as individuals may mistake emotional responses for genuine faith. Finney advocates for a balanced approach where excitement is limited to capturing attention without overwhelming the intelligence, allowing for true understanding and obedience to God's truth. He cautions against focusing solely on the hopes and fears of individuals, which can foster a selfish form of religion rather than a sincere relationship with God.