When, about 1632, the New Christians made an effort to procure a removal of their disabilities, Juan Adan de la Parra who, though an inquisitor was a poet and a man of culture, opposed it in an elaborate essay, cautiously couched in Latin, for the matter was too delicate for popular discussion. He did not pander to vulgar prejudice, but addressed himself to arguments of state policy, which are a curious illustration of what, on such a subject, an intelligent man regarded as conclusive. He deplores the decline of population, of agriculture, of shipping and of the mechanic arts, which he attributes to the insidious practices of the Jews, their avoidance of manual labor and their addiction to usury. Look at Portugal, he says, where this traitorous race stimulated the ardor of foreign conquest, until it embraced the East and West Indies, and then cunningly corrupted the native virtue with the wealth and luxury thus acquired, until they have succeeded in eliminating the heroes and destroying the heroic spirit which rendered Portugal so formidable. It is this craving for oriental luxuries, shrewdly stimulated by the New Christians, which is undermining the robustness of Spanish virtue; the useful is neglected for the superfluous, and thus agriculture declines. He scarcely seems to recognize the tribute which he pays to the superior endowment of the Jew, when he winds up by foretelling that, if the restrictions and disabilities imposed on the New Christians are removed, they will acquire such power that they will reduce the Old Christians to subjection.[802]