High office teaches decision making, not substance. It consumes intellectual capital; it does not create it. Most high officials leave office with the perceptions and insights with which they entered; they learn how to make decisions but not what decisions to make.

Everybody has a hacking capability. And probably every intelligence service is hacking in the territory of other countries. But who exactly does what? That would be a very sensitive piece of information. But it's very difficult to communicate about it. Because nobody wants to admit the scope of what they're doing.

Diplomacy: the art of restraining power.

For other nations, utopia is a blessed past never to be recovered; for Americans it is just beyond the horizon.

If this phrase of the 'balance of power' is to be always an argument for war, the pretext for war will never be wanting, and peace can never be secure.

We're going to have to rely on the world of Islam, major Islamic nations, to take the lead in helping promote a very different view of Islam - peace and understanding, as opposed to the radicalization going on. The Saudis and UAE and Qatar and others are going to have to take a leading role in changing hearts and minds in the world of Islam.

There is a lot of evidence to back up the assertion that war fiction takes time. Many all-time classics of the genre, from Erich Maria Remarque's 'All Quiet on the Western Front' to Joseph Heller's 'Catch-22' to Tim O'Brien's 'The Things They Carried,' took over a decade to pen.

At its root, 'God of War' was always the promise of adventure.