The feeling of insecurity is inimical to our sense of wellbeing, as it causes anxiety and stress, which harms our physical and mental health. It is no surprise then that, according to some surveys, workers across the world value job security more highly than wages.

The invention of the printing press was one of the most important events in human history.

A lot of things that we cannot buy and sell in markets used to be totally legal objects of market exchange - human beings when we had slavery, child labour, human organs, and so on. So there is no economic theory that actually says that you shouldn't have slavery or child labour because all these are political, ethical judgments.