A doctrine avowedly founded on logic instead of instinct becomes for that very reason suspect to it. Common-sense takes the place of philosophy. At times this mass of sentiment opposes itself under stress of circumstances to the absolute theories of monarchy, and then calls itself Whiggism. At other times it offers an equally dogged resistance to absolute theories of democracy, and then becomes nominally Tory. In Macaulay's youth the weight of opinion had been slowly swinging round from the Toryism generated by dread of revolution, to Whiggism generated by the accumulation of palpable abuses. The growing intelligence and more rapidly growing power of the middle classes gave it at the same time a more popular character than before. Macaulay's 'conversion' was simply a process of swinging with the tide. The Clapham Sect, amongst whom he had been brought up, was already more than half Whig, in virtue of its attack upon the sacred institution of slavery by means of popular agitation. Macaulay--the most brilliant of its young men--naturally cast in his lot with the brilliant men, a little older than himself, who fought under the blue and yellow banner of the 'Edinburgh Review.' No great change of sentiment was necessary, though some of the old Clapham doctrines died out in his mind as he was swept into the political current. Macaulay thus early became a thoroughgoing Whig. Whiggism seemed to him the _ne plus ultra_ of progress: the pure essence of political wisdom. He was never fully conscious of the vast revolution in thought which was going on all around him. He was saturated with the doctrines of 1832. He stated them with unequalled vigour and clearness. Anybody who disputed them from either side of the question seemed to him to be little better than a fool. Southey and Mr. Gladstone talked arrant nonsense when they disputed the logical or practical value of the doctrines laid down by Locke. James Mill deserved the most contemptuous language for daring to push those doctrines beyond the sacred line. When Macaulay attacks an old non-juror or a modern Tory, we can only wonder how opinions which, on his showing, are so inconceivably absurd, could ever have been held by any human being. Men are Whigs or not-Whigs, and the not-Whig is less a heretic to be anathematised than a blockhead beneath the reach of argument. All political wisdom centres in Holland House, and the 'Edinburgh Review' is its prophet. There is something in the absolute confidence of Macaulay's political dogmatism which varies between the sublime and the ridiculous. We can hardly avoid laughing at this superlative self-satisfaction, and yet we must admit that it is indicative of a real political force not to be treated with simple contempt. Belief is power, even when belief is most unreasonable.