One of the most interesting questions about Gullivers Travels is whether the Houyhnhnms represent an ideal of rationality or whether on the other hand they are the butt of Swift"s satire. In other words, in Book IV, is Swift poking fun at the talking horses or does he intend for us to take them seriously as the proper way to act? If we look closely at the way that the Houyhnhnms act, we can see that in fact Swift does not take them seriously: he uses them to show the dangers of pride. First we have to see that Swift...
do not know how to use that knowledge for the benefit of society, only for their own prideful agrandizement.

Throughout Gullivers Travels, the Houyhnhms are shown to be an ideal gone wrong. Though their intent might have been good, they don"t know how to do what they want to do because they are filled with pride. They mislead Gulliver and they even mislead themselves. The satire on them is particularly well explained by the new born Houyhnhm who, having just been born, exclaims, "With this sort of entrance, what must I expect from the rest of my life!" 178.