The new Paul and Virginia or positivism on an island is a satirical novel that critiques modern philosophy and the tensions between scientific reasoning and religious belief. The story follows Professor Darnley and Virginia St. John as they embark on a journey aboard the ocean-steamer Australasian. After a shipwreck, they are stranded on a deserted island, where they aim to build a society grounded in the principles of positivism, a philosophy that champions scientific knowledge over spiritual or metaphysical ideas. The novel explores how their vision of a rational, happiness-driven society begins to unravel as they interact with other characters, such as a drunken curate and the spectral presence of Virginia's husband. The story humorously confronts the contradictions of living without spiritual faith, ultimately suggesting that a purely rational existence fails to provide true happiness. Through this exploration, the novel offers a critique of both scientific and religious ideologies, highlighting the complexities of human nature and the shortcomings of a world that neglects deeper meaning.