by George Peel and Archibald Geikie, Dictionary of National Biography (1901)
“ But on the leading questions of free trade, Irish church, reform, Turkey, the Crimea, and Afghanistan, their views were his, and, besides, he had all the prestige that a lofty character, a noble eloquence, and a famous lineage can bestow. Or was it that he was a Scotchman and thus unsympathetic to the English people? But the past and the present have seen Scottish prime ministers. Or may there be said of politics what Plato said of virtue, that it owns no master, and did the duke give something to science when he should have given all to statesmanship? ”
