Notes from Wikiquote
What Manning meant, Belloc explains, is "that all wars and revolutions, and all decisive struggles between parties of men arise from a difference in moral and transcendental doctrine" (p. 48), since no man, "arguing for what should be among men, but took for granted as he argued that the doctrine he consciously or unconsciously accepted was or should be a similar foundation for all mankind. Hence battle." (p. 49)