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562 That is the work more of imagination and passion than of reason.

Whoever considers the history of the several nations of the world; their revolutions, conquests, increase, and diminution; the manner in which their particular governments are establish'd, and the successive right transmitted from one person to another, will soon learn to treat very lightly all disputes concerning the rights of princes, and will be convinc'd, that a strict adherence to any general rules, and the rigid loyalty to particular persons and families, on which some people set so high a value, are virtues that hold less of reason, than of bigotry and superstition. In this particular, the study of history confirms the reasonings of true philosophy; which, shewing us the original qualities of human nature, teaches us to regard the controversies in politics as incapable of any decision in most cases, and as entirely subordinate to the interests of peace and liberty. Where the public good does not evidently demand a change; 'tis certain, that the concurrence of all those titles, original contract, long possession, present possession, succession, and positive laws, forms the strongest title to sovereignty, and is justly regarded as sacred and inviolable. But when these titles are mingled and oppos'd in different degrees, they often occasion perplexity; and are less capable of solution from the arguments of lawyers and philosophers, than from the swords of the soldiery. Who shall tell me, for instance, whether Germanicus, or Drusus, 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 receiv'd 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 esteem'd the eldest son, because he was born before Drusus; 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