PUREBRED • DICTIONARY ONE.COM • Definition of Purebred

... quality which may perhaps be racially simple; but which is, at any rate, very plain. Chamberlain, the German philosopher or historian (I know not which to call him or how to call him either) remarks somewhere that purebred races possess fidelity; he instances the negro and the dog—and, I suppose, the German. Anyhow, it is true that there is a recognisable and real thing which might be called fidelity (or perhaps monotony) which exists ...

— The Appetite of Tyranny - Including Letters to an Old Garibaldian • G.K. Chesterton