the meaning of the word opinion, or how a point could be disputable; because reason taught us to affirm or deny only where we are certain; and beyond our knowledge we cannot do either. So that controversies, wranglings, disputes, and positiveness, in false or dubious propositions, are evils unknown among the Houyhnhnms. In the like manner, when I used to explain to him our several systems of natural philosophy, he would laugh, that a creature pretending to reason, should value itself upon the knowledge of other people's conjectures, and in things where that knowledge, if it were certain, could be of no use. Wherein he agreed entirely with the sentiments of Socrates, as Plato delivers them; which I mention as the highest honour I can do that prince of philosophers. I have often since reflected, what destruction such a doctrine would make in the libraries of Europe; and how many paths to fame, would be then shut up in the learned world.
Friendship and benevolence are the two principal virtues among the Houyhnhnms: and these, not confined to particular objects, but universal to the whole race. For a stranger from the remotest part, is equally treated with the nearest neighbour; and wherever he goes, looks upon himself as at home. They preserve decency and civility in the highest degrees, but are altogether ignorant of ceremony. They have no fondness for their colts or foals, but the care they take in educating them proceeds entirely from the dictates of reason. And I observed my master to show the same affection to his neighbour's issue, that he had for his own. They will have it that nature teaches them to love the whole species, and it is
