In his essay, ‘Perpetual Peace,’ the philosopher, Immanuel Kant, argued that perpetual peace would eventually come to the world in one of two ways, by human insight or by conflicts and catastrophes of a magnitude that left humanity no other choice. We are at such a juncture.

A leader does not deserve the name unless he is willing occasionally to stand alone.

History is the memory of States.

The longer I am out of office, the more infallible I appear to myself.

I do not stand on protocol. If you just call me Excellency, it will be okay.

The members of the Islamic Staye have cut the throat of an American on television. This is an insult to the United States, which requires that we demonstrate that this is not an act that is free. I would strongly favor a strong attack on ISIS for a period that is related to the murder of the American.

Diplomats operate through deadlock, which is the way by which two sides can test each other's determination. Even if they have egos for it few heads of government have the time to resolve stalemates, their meetings are too short and the demands of protocol too heavy.