A sense of justice as a key to moral development

On an personal level, I’ve always felt that the sense of justice shapes the way people react to the world on a fundamental level. In the language of Montessori, justice is a fundamental need of humanity. As we mature we begin to see justice from different perspectives, and after going over the history of human rights, I wonder if this applies to societies as well.

Lawrence Kohlberg’s famous theory about the stages of moral development center around the idea of how people see and react to justice and injustice. His first level (pre-conventional) is based on how moral actions affect oneself; if I do this then they will do that right back to me (and I won’t like it). In the second level (conventional) the main concern is how actions affect and are perceived by society; it’s not right to do this because everyone will talk about it (and I don’t like that). The final level (post-conventional), moral judgments are made based on some underlying principles; I should not do this because it will violate someone’s universal human rights (and I would have violated my own principles).

When we talk about the history of human rights, we are discussing how society has gone through these different stages. The first rule of justice, no matter the culture, is some variant of the Golden Rule, an eye for an eye. Eventually we discover the rights of the citizen, then finally the rights of humans. In humans, this moral evolution is innate in potential but not necessarily realized. Similarly is societies, after all, the Greek democracies eventually failed. But there seems to be a general trajectory of history toward post-conventional morality. Robert Wright, in his book “Nonzero” sees this path as the almost inevitable outcome of the beneficial nature of cooperation to human societies.

Of course Nonzero was written in the post-Cold War and pre 9/11 period, when the world was breathing a sigh of relief when the potential for global thermonuclear war seemed to disappear (I also remember David Rudder’s 1990 had a similar theme).

Nuclear Winter and MAD


Almost every time I discuss protons, neutrons and the nucleus of an atom, or at least so my students complain, I end up talking about nuclear fission and fusion and nuclear weapons. If the discussion goes on long enough I tend to bring up the cold war and how the fear of mutually assured destruction (MAD) reduced the chance of a hot war. I don’t often get into how the explosions from a nuclear exchange could put so much dust into the upper atmosphere that it blocks the sunlight and create a nuclear winter that would affect life all around the world. A nuclear winter that would have an effect similar to the winter created by the asteroid impact that lead to the extinction of the dinosaurs.

The danger of nuclear weapons have not, unfortunately, gone away. There is a facinating article in Scientific American on how even a “small” nuclear war could have global consequences. They have a great quote from Mikhail S. Gorbachev about how,

“Models made by Russian and American scientists showed that a nuclear war would result in a nuclear winter that would be extremely destructive to all life on earth; the knowledge of that was a great stimulus to us, to people of honor and morality, to act.”

The major finding of the research in the article is that even a small nuclear war, such as between India and Pakistan, could lead to a significant global nuclear winter.

I like to take every chance I get to tie natural and social world concepts together. It’s one of the things I enjoy most about teaching in an interdisciplinary Montessori classroom. There is a beautiful and scary story here about how the science of the infinitesimally small has had a fundamental effect on the major geopolitical conflict of the latter half of the 20th century, and continues to affect us today.

Free documentaries online

The website http://www.freedocumentaries.org/ has a large number of political documentaries available for free download. Although they seem to be mostly from the perspective of the left (and some seem to come from quite far to the left), there are a number of interesting titles dealing with human rights and the media. A few titles pop out (that I’ve heard are good but have not yet seen myself):

You can also find more free documentaries at: