Survival of the fittest

"Survival of the fittest" was a concept, sometimes related to evolution, which stated that the strongest or most intelligent of organisms survive over others in their environment.

Captain Cook strongly believed the ideology of survival of the fittest, (TV: The Greatest Show in the Galaxy) as did Paterson, (TV: Survival) and the Vardans, who believed in survival of the "very fittest." (PROSE: No Future)

Jane Page believed in survival of the fittest, but Qxeleq told her the Mind called it "survival of the luckiest." (PROSE: Falls the Shadow)