Imagination.—This arrogant power, the enemy of reason, who likes to rule and dominate it, has established in man a second nature to show how all-powerful she is. She makes men happy and sad, healthy and sick, rich and poor; she compels reason to believe, doubt, and deny; she blunts the senses, or quickens them; she has her fools and sages; and nothing vexes us more than to see that she fills her devotees with a satisfaction far more full and entire than does reason.