What sentences from Lifeboat Ethics by Garrett Hardin best demonstrates the art of using logos?

One key sentence in "Lifeboat Ethics" by Garrett Hardin that demonstrates the use of logos is: "The harsh characteristics of lifeboat ethics are heightened by two facts: a) there is no way of matching our disaster relief to world population control, and b) no national plan for allocating habitat among the world's nations will work unless the rich nations agree to limit their populations." This sentence appeals to logic by presenting a clear argument about the limitations of resources and the need for population control to address global challenges.