The quote reflects a sense of irony and skepticism about the nature of different nationalities during wartime. The speaker acknowledges that the French are widely considered wicked but questions the morality of other nations such as the Austrians, Spaniards, and Russians. This highlights the complex feelings towards allies and enemies, suggesting that opinions may shift based on circumstances.
Additionally, the concern about properly categorizing who deserves prayers underscores a deeper anxiety about loyalty and treason. The speaker's apprehension about inadvertently praying for the "wrong" group illustrates the tangled web of alliances and animosities, revealing how war complicates personal beliefs and relationships.