One might call it the Inverse Law of Sanity: when times are good, when peace reigns, and the ship of state only needs to sail straight, mentally healthy people function well as our leaders. When our world is in tumult, mentally ill leaders function best.

S. Nassir Ghaemi, A first-rate madness: uncovering the links between leadership and mental illness, New York, NY, 2012, p. 13