Men of very great genius have successively miscarried in their demonstrations; have been held to have betrayed their cause by the weakness of the arguments by which they have supported it; by the manner in which they have attempted to establish their positions. Thus many of them, when they believed they had surmounted a difficulty, had the mortification to find they had only given birth to an hundred others. They seem, indeed, not to be in a capacity to understand each other, or to agree among themselves, when they reason upon the nature and qualities of beings created by such a variety of imaginations, which each contemplates diversely, upon which the natural self-love of each disputant induces him to reject with vehement indignation every thing that does not fall in with his own peculiar mode of thinking--that does not quadrate either with his superstition or his ignorance, or sometimes with both. The opponents of Clarke charge him with begging the question in his work on _The Being and Attributes of God_. They say he has pretended to prove this existence _a priori_, which they deem impossible, seeing there is nothing anterior to the first of causes; that therefore it can only be proved _a posteriori_, that is to say, by its effects. Law, in his _Inquiry into the Ideas of Space, Time, Immensity, &c_. has attacked him very triumphantly, for this manner of proof, which is stated to be so very repugnant to the school-men. His arguments have been treated with no more ceremony by Thomas D'Aquinas, John Scott, and others of the schools. At the present day I believe he is held in more respect--that his authority outweighs that of all his antagonists together. Be that as it may, those who have followed him have done nothing more than either repeat his ideas, or present his evidence under a new form. Tillotson argues at great length, but it would be rather difficult to understand which side of the question he adopts on this momentous subject; whether he is a Necessitarian, or among the opposers of Fatalism. Speaking of man, he says, "he is liable to many evils and miseries, which he can neither prevent or redress; he is full of wants, which he cannot supply, and compassed about with infirmities which he cannot remove, and obnoxious to dangers which he can never sufficiently provide against: he is apt to grieve for what he cannot help, and eagerly to desire what he is never able to obtain." If the proofs of Clarke, who has drawn them up in twelve propositions, are examined with attention, I think they may be fairly shielded from the reproach with which they have been loaded; it does not appear that he has proved his positions _a priori,_ but _a posteriori,_ according to rule. It seems clear, however, that he has mistaken the proof of the existence of the effects, for the proof of the existence of the cause: but here he seems to have more reason than his critics, who in their eagerness to prove that Clarke has not conformed