Herbert Spencer, the English libertarian, was a great thinker, but he must be the most maligned intellectual in history. This is from his essay "Patriotism" (1902):
Some years ago I gave my expression to my own feeling – anti-patriotic feeling, it will doubtless be called – in a somewhat startling way. It was at the time of the second Afghan war, when, in pursuance of what were thought to be “our interests,” we were invading Afghanistan. News had come that some of our troops were in danger. At the Athenæum Club a well-known military man – then a captain but now a general – drew my attention to a telegram containing this news, and read it to me in a manner implying the belief that I should share his anxiety. I astounded him by replying – “When men hire themselves out to shoot other men to order, asking nothing about the justice of their cause, I don’t care if they are shot themselves.”
I foresee the exclamation which will be called forth. Such a principle, it will be said, would make an army impossible and a government powerless. It would never do to have each soldier use his judgment about the purpose for which a battle is waged. Military organization would be paralyzed and our country would be a prey to the first invader.
Not so fast, is the reply. For one war an army would remain just as available as now – a war of national defence. In such a war every soldier would be conscious of the justice of his cause. He would not be engaged in dealing death among men about whose doings, good or ill, he knew nothing, but among men who were manifest transgressors against himself and his compatriots. Only aggressive war would be negatived, not defensive war....
But those whose cry is – “Our country, right or wrong!” and who would add to our eighty-odd possessions others to be similarly obtained, will contemplate with disgust such a restriction upon military action. To them no folly seems greater than that of practising on Monday the principles they profess on Sunday. [Emphasis added.]