It was on this day in 1891 that Henrik Ibsen’s play Ghosts opened on the London stage. (source)

From Act 2:

“I almost think we’re all of us ghosts. … It’s not only what we have inherited from our father and mother that walks in us. It’s all sorts of dead ideas, and lifeless old beliefs, and so forth. They have no vitality, but they cling to us all the same, and we can’t get rid of them. Whenever I take up a newspaper, I seem to see ghosts gliding between the lines. There must be ghosts all the country over, as thick as the sand of the sea. And then we are, one and all, so pitifully afraid of the light.”

Apropos:

In the twentieth century, wrote Murray Rothbard, the most influential economist was John Maynard Keynes, who swept the world of economics like an avalanche in 1936 with his General Theory of Employment, Interest, and Money, his teachings quickly becoming a new, entrenched economic orthodoxy. Henry Hazlitt, in this vitally important and desperately needed book, throws down the challenge in a detailed, thoroughgoing refutation. Keynes’s General Theory is here riddled chapter by chapter, line by line, with due account taken of the latest theoretical developments. The complete refutation of a vast network of fallacy can only be accomplished by someone thoroughly grounded in a sound positive theory. Henry Hazlitt has that groundwork. FULL ARTICLE