Diplomacy means the art of nearly deceiving all your friends, but not quite deceiving all your enemies.

I don't like hypocrisy-even in international relations.

The sea is a lonely and hostile place, Captain,' Jansen said coldly. 'It is always best not to make enemies of those who might be your friends. You never know when your ships may cross

Not all things have to be scrutinized, nor all friends tested, not all enemies exposed and denounced

Diplomacy: the art of restraining power.

DIPLOMACY, n. The patriotic art of lying for one's country.