Remember this, take it to heart, live by it, die for it if necessary: that our patriotism is medieval, outworn, obsolete; that the modern patriotism, the true patriotism, the only rational patriotism is loyalty to the nation all the time, loyalty to the Government when it deserves it.

Mark Twain (1835–1910) American writer [pseud. of Samuel Clemens]

Story (1905-02-02), “The Czar’s Soliloquy,” North American Review, Vol. 180, No. 580 (1905-03)
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Advice that Russian mothers should be giving their children.

Sometimes paraphrased: "Patriotism is supporting your country all the time, and your government when it deserves it."