**Noga Arikha *is a historian of ideas and philosopher, and Senior Expert at the European University Institute, Florence. Her books include The Ceiling Outside: The Science and Experience of the Disrupted Mind and Passions and Tempers: A History of the Humours *.

**Noga Arikha *is a historian of ideas and philosopher, and Senior Expert at the European University Institute, Florence. Her books include The Ceiling Outside: The Science and Experience of the Disrupted Mind and Passions and Tempers: A History of the Humours *.