How does Wells contrast the Eloi with the Morlocks in the time machine?

In H.G. Wells' "The Time Machine," the Eloi are portrayed as gentle, childlike beings who live in a seemingly idyllic but superficial society, characterized by their vulnerability and lack of intellectual depth. In stark contrast, the Morlocks are depicted as subterranean, industrial creatures who embody a brutal, predatory nature, thriving in the darkness and reliant on the Eloi for sustenance. This juxtaposition highlights themes of social evolution and class division, suggesting that the Eloi's passivity and dependence have led to their downfall, while the Morlocks, despite their grotesque appearance, represent a darker survival instinct. Ultimately, Wells uses these contrasting groups to critique the consequences of unchecked progress and the potential regression of humanity.