Here’s another interesting quote from Hannah Arendt’s The Human Condition. Discussing political activity, she says:
[T]he old virtue of moderation, of keeping within bounds, is indeed one of the political virtues par excellence, just as the political temptation par excellence is indeed hubris … and not the will to power, as we are inclined to believe.
This is really important, I think. We assume the primary danger comes from people who are power-hungry, who do what they want from selfish motives. In fact, the greater danger comes from those who think they know how to legislate for everyone else, for their own good. It happens on both the left and the right. Politicians on both sides want to pass laws to save people from themselves, and it never occurs to them all the unintended consequences their well-meaning control might have.
The biggest problem is that when someone is doing this, he knows he is acting from unselfish motives. He is not power-hungry like so many others. Consequently, he will not listen to objections because he is confident there can be none from anyone who really gets it. His political purity in his own eyes makes him immune to counter-arguments.
That is one of the most important downsides of the political polarization in our country: not just that it produces incivility or unpleasantness, but that it cultivates this kind of hubris. It insulates each side from having to take the other side’s beliefs seriously.