The quote from H. G. Wells in "The Time Machine" delves into the essence of human intelligence and vitality. It suggests that these qualities stem from the interplay of hardship and freedom, which create an environment where the strong and agile thrive while the weaker become vulnerable. This survival of the fittest concept emphasizes the value of cooperation among capable individuals, highlighting traits such as loyalty, self-control, and decisiveness as essential for overcoming challenges.

Moreover, Wells touches on the significance of the family unit and the emotions it fosters, such as jealousy and devotion to one's children. He argues that these familial bonds are crucial for the protection and nurturing of the vulnerable, particularly in a world filled with dangers. The complex emotions tied to family relationships serve as a fundamental support system, reinforcing the idea that both social structures and individual traits evolve in response to challenges in the environment.