the prevalent thorns of wrong, at last, crackle away in indiscriminate flame: and of the good seed sown, one grain in a thousand some day comes up—and somebody lives by it; but most of our great teachers, not excepting Carlyle and Emerson themselves, are a little too encouraging in their proclamation of this comfort, not, to my mind, very sufficient, when for the present our fields are full of nothing but darnel instead of wheat, and cockle instead of barley; and none of them seem to me yet to have enough insisted on the inevitable power and infectiousness of all evil, and the easy and utter extinguishableness of good. Medicine often fails of its effect—but poison never: and while, in summing the observation of past life, not unwatchfully spent, I can truly say that I have a thousand times seen patience disappointed of her hope, and wisdom of her aim, I have never yet seen folly fruitless of mischief, nor vice conclude but in calamity.
68. There is, however, one important condition in national economy, in which the analogy of that of a ship's company is
