Every society evolves unique ways for people to live together happily and productively. But they change over time. Modernity has eclipsed these four ideas. Recovering them can make us happier and more productive. If I had four words to sum up where I've got to over the last couple of decades thinking how to improve the world, they'd be these. In discussing them with friend, philosopher and school teacher Martin Turkis, I gave myself the challenge of writing them out in a summary form for him to present to his high school students. This has got to be a better test of their value than whether they can be published in a learned journal. If you'd like to check out the video, it's here: