Professor Mearsheimer begins by noting that, “what we have here is a war between the United States and Russia and there’s no end in sight.” “Hubris” from the Greek hybris “wanton violence, insolence, outrage,” is cited as causing the downfall of ancient Athens. The Encyclopedia Britannica states the term as meaning “the intentional use of violence to humiliate or degrade. The word’s connotation changed over time, and hubris came to be defined as overweening presumption that leads a person to disregard the divinely fixed limits on human action in an ordered cosmos.”
nuclear weapons
On the Edge of a Nuclear Abyss

It is very hard to accept that the leaders of your own country commit and contemplate unspeakable evil deeds and that they wish to control your mind. To contemplate that they might once again use nuclear weapons is unspeakable but necessary if we are to prevent it. Beware, we are on the edge of a nuclear abyss.