The best way to reach an understanding of the principles of economics, or politics, or anything else which involves the interaction of people, is to start by taking all the other people out of the picture.
All clear thinking about these problems begins with the idea of one man or woman in nature. Or, to put it another way, imagine yourself in the shoes of Robinson Crusoe.
Starting from such a situation makes it far easier to see the fundamental and irrefutable principles of economics. Here they are:
With more than one person (it makes no difference if it's six or six billion) in the picture, here are the fundamental and irrefutable principles of politics:
That's all there is to it. Just as the highest mathematics are built on the
fact that 2 + 2 = 4, economics, politics, and finance, are built on these principles.