In the book, the author wants to express that when a scientist loses his mind and humanity, the scientific results will not only fail to benefit mankind, but may harm the world. The selfishness and criminal desire in human nature may make a talented scientist take the path of degradation and destruction.
While its predecessors, The Time Machine and The Island of Doctor Moreau, were written using first-person narrators, Wells adopts a third-person objective point of view in The Invisible Man. The novel is considered influential, and helped establish Wells as the "father of science fiction".