Now they are all concerned about ecology, about the environment, about pollution in the air and in the water. They talked about how to fix the problems of the world, how to raise enough money, things like that. When there is harmony in all these things, the world is harmonious. When there is no harmony, there is a problem. If you don't understand primary cause, you cannot fix the results.
Today there are five billion people in the world.
In 1945, at the end of the war, there were only two and a half billion people. So since the second world war, human population has grown very fast. Also there has been an economic revolution. Every day twenty-five thousand people die of hunger in poor countries of the world. But in rich countries of the world, there is much leftover food thrown into the garbage.