war against the order of providence, the good of society, and the glory of God, It is not absurd, then, to conclude, that a similar diversity prevails amongst evil beings of a superior class, that some may be far more atrocious in their characters than others, and more capacitated to do extensive mischief. It is equally likely, that their influence over other evil spirits may be proportioned to these circumstances, and that their example or advice may excite to deeds of infernal daring. These considerations would eventually conduct us to the probability of the existence of one, pre-eminent above the rest in crime and in capacity, who may influence the several chiefs of the infernal empire, as they exercise a power over inferior demons; or that Satan, or the devil, is "the prince of the power of the air." IV. The _invisible_ nature of diabolical agency can be no sufficient objection to its existence. Admitting that there are other proofs, this circumstance could not diminish their force, much less destroy their evidence. It must be granted, that without other proofs it would be a radical objection, because in such a case the whole statement would he gratuitous and conjectural. If it were allowable to suppose such an agency, it might be equally so to refuse admitting it; every one may be amused or not with a pure fiction, an imaginary creation. But do not plead, that the invisibility of diabolical agency is any proof or any presumption of its reality; but simply that it is no objection, that it has no power to neutralize the evidence produced, and that unbelievers have no authority, on this account, to treat the subject with that profane and impertinent ridicule, which is a mere commonplace artifice to evade unwelcome convictions. God is invisible--but is this any argument against his being? The human soul is invisible--is this a proof that it does not exist? The magnetic influence cannot be seen--is this a reason that it does not operate? Are the opinions or philosophers deduced from the analogies of nature, that suns and stars and systems occupy the distant regions of space, which have never yet been penetrated by the best constructed telescopes, rendered improbable by the allegation, that no eye and no instrument can discern them? The existence and operations of the devil are admitted to be invisible to sense, and in many cases, perhaps, difficult of investigation by reason--what then? Nothing.