One knows only as long as one exercises.. . one cannot possess and lay aside.
— Eugenio Barba

Since the worker has been reduced to a machine the machine can compete with him.
— Karl Marx

A few hints from my morality . ... No meals between meals, no coffee: coffee spreads darkness. Tea is wholesome only in the morning. A little but strong ... Sit as little as possible; give no credence to any thought that was not born outdoors while one moved about freely - in which the muscles are not celebrating a feast, too. All prejudices come from the intestines.
— Friederich Nietzsche

Hide our ignorance as we will an evening of wine reveals it.
— Herakleitos

In architecture, audience participation is not an experimental idea.
— Francis Morrone

19th century landscape engraving