“ Goethe had been reading Raynouard’s Selections from the Romance Poets, and advised the young scholar to explore the rich mine of Provençal literature which the French savant had opened up. This advice was eagerly followed, and henceforth Diez devoted himself to Romance literature. He thus became the founder of Romance philology. ”

“ For more than a century Ménage’s Etymological Dictionary held the field without a rival. Considering the time at which it was written (1650) , it was a meritorious work, but philology was then in the empirical stage, and many of Ménage’s derivations (such as that of “rat” from the Latin “mus,” or of “haricot” from “faba”) have since become bywords among philologists. ”

“ Such is the historical method which Diez pursues in his grammar and dictionary. To collect and arrange facts is, as he tells us, the sole secret of his success, and he adds in other words the famous apophthegm of Newton, “hypotheses non fingo.” The introduction to the grammar consists of two parts:—the first discusses the Latin, Greek and Teutonic elements common to the Romance languages ”