<human>:  Can you provide a summary of Moby Dick?
<bot>: Moby Dick is a classic novel by Herman Melville published in 1851. It follows the story of Captain Ahab and his quest to exact revenge upon a great white whale, Moby Dick, who had bitten off his previous leg. The novel follows Ahab, his crew, and the sailors’ experiences on their pursuit of the beast. Along the way, they encounter many different characters and situations that complicate their mission. The novel is an exploration of fear, obsession, and man's relationship with nature and fate.