Page:Thomas Reid (Fraser 1898).djvu/100

 philosophical elect,—alleging blind instinct when unable to produce argument, and multiplying instincts to suit each controversial emergency. 'As men have imagined innate ideas, because they had forgot how they came by their ideas, the Scottish philosophers set up almost as many distinct instincts as there are acquired principles of acting.' He ridiculed Reid for his supposed discovery of the root of scepticism in the ideal hypothesis; charging him with innocently mistaking a metaphor for a scientific theory, and for overlooking the leading part which mental association plays, as the cause of those convictions which Reid mistook for infallible constituents of common sense. 'If we consider the general tenor of the writings of these philosophers,' Dr. Priestley said, 'it will appear that they are saying one thing and doing another—talking plausibly about the necessity for admitting axioms as the foundation of all reasoning, but meaning to recommend particular assumptions of their own as axioms—not as being founded on perception of the agreement of ideas, which is the great doctrine of Mr. Locke, and which makes truth to depend upon the necessary nature of things, to be therefore absolute, unchangeable, and everlasting, but merely on some unaccountable instinctive persuasions, depending upon the arbitrary constitution of our nature—which makes all truth be relative to ourselves only, and consequently to be infinitely vague and precarious. This system admits of no final appeal to reason properly considered, which any person might be at liberty to examine and discuss; on the contrary every man is taught to think himself authorised to pronounce dogmatically upon every question, according to his present feeling and persuasion, under the notion of its being something original, instructive, and incontrovertible; although, stoutly analysed, it may