Yet how little does genius avail in the one great and important affair of religion, unless guided and controlled by that infallible authority which God has established in His Church! The great doctrinal errors of Milton cannot be imputed to any want of intellectual power; for, in the natural gifts of intellect, he was eminently conspicuous. Much rather must they be ascribed to the erroneous system he employed in the search of Revealed truth. Starting from false principles, the more boldly he advanced, the more deeply did he plunge into error. In common with other Protestants, he accepted the doctrine of private judgment; but he was distinguished from others by the logical consistency and inflexible resolution with which he ever clung to this fundamental principle. Having been taught not to subject his reason to the authority of a Church which claimed to be infallible, he refused to submit to the teaching of a Church which had renounced that claim. His errors were more extravagant than those of other Protestant writers, only because he was more fearless in his speculations, more consistent in his principles, more honest in his speech. Others are often saved from error because they hesitate to follow the light of reason, when reason would lead them too far from the beaten track of received opinions. But such timidity and inconsistency were little in harmony with the spirit of Milton. He had learned in early youth, as a first principle, that, in the matter of religion, Scripture should be his only authority, reason his only guide; and in after life he was ever prepared to follow that guide whithersoever it might conduct. The religious career of Milton appears to us, therefore, in a remarkable manner, at once to illustrate and to disprove the Protestant _Rule of Faith_. In him it was fairly tried, and it was found wanting. It would be difficult, we believe, to select from the whole range of Protestant writers any one who possessed in a higher degree, those qualities which are favourable to the exercise of private judgment. His distinguished biographer, Mr. Mitford, who was himself a Protestant clergyman, has spoken on this subject with great candour and ability. Referring to the treatise _De Doctrina Christiana_, he says:—