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The same reasoning affords us an answer to the second question.

Who shall tell me, for instance, whether Germanicus, or Drufus, ought to have succeeded Tiberius, had he died while they were both alive, without naming any of them for his successor? Ought the right of adoption to be received as equivalent to that of blood in a nation, where it had the same effect in private families, and had already, in two instances, taken place in the public? Ought Germanicus to be esteemed the eldest son, because he was born before Drufus; or the younger, because he was adopted after the birth of his brother? Ought the right of the elder to be regarded in a nation, where the eldest brother had no advantage in the succession to private families? Ought the Roman empire at that time to be esteemed hereditary, because of two examples; or ought it, even so early, to be regarded as belonging to the stronger, or the present possessor, as being founded on so recent an usurpation? Upon whatever principles we may pretend to answer these and such like questions, I am afraid we shall never be able to satisfy an impartial enquirer, who adopts no party in political controversies, and will be satisfied with nothing but sound reason and philosophy.

In effect, Reason has only one single interest, and the seeming contradiction existing between her maxims merely indicates a difference in, and a reciprocal limitation of, the methods by which this interest is satisfied.

There is no method of reasoning more common, and yet none more blameable, than in philosophical debates to endeavour to refute any hypothesis by a pretext of its dangerous consequences to religion and morality. Here then we are to consider two kinds of objects, the contiguous and remote; of which the former, by means of their relation to ourselves, approach an impression in force and vivacity; the latter by reason of the interruption in our manner of conceiving them, appear in a weaker and more imperfect light. The conception of a Supreme Being satisfies all questions a priori regarding the internal determinations of a thing, and is for this reason an ideal without equal or parallel, the general conception of it indicating it as at the same time an ens individuum among all possible things. When the mind forms a reasoning concerning any matter of fact, which is only probable, it casts its eye backward upon past experience, and transferring it to the future, is presented with so many contrary views of its object, of which those that are of the same kind uniting together, and running into one act of the mind, serve to fortify and inliven it. But if I say; "No ignorant man is a learned man," the proposition is analytical, because the characteristic ignorance is now a constituent part of the conception of the subject; and in this case the negative proposition is evident immediately from the proposition of contradiction, without the necessity of adding the condition "the same time." This is the reason why I have altered the formula of this principle--an alteration which shows very clearly the nature of an analytical proposition. What may at first occur on this head, is, that as nothing can be contrary to truth or reason, except what has a reference to it, and as the judgments of our understanding only have this reference, it must follow, that passions can be contrary to reason only so far as they are accompanyed with some judgment or opinion. Nature has not left this to his choice, and has doubtless, esteemed it an affair of too great importance to be trusted to our uncertain reasonings and speculations.