Diplomacy is not an end in itself if it does not advance U.S. interests.
Diplomacy in general does not resolve conflicts. Wars end not due to peace processes, but due to one side giving up.
For diplomacy to be effective, words must be credible ,and no one can now doubt the word of America.
Diplomacy is the art of saying 'Nice doggie' until you can find a rock.
Tact is the knack of making a point without making an enemy.
It is a principle of diplomacy that one must know something of the truth in order to lie convincingly.
Diplomacy and virtue do not make easy companions.
As I said to Speedicut, it's hell in the diplomatic.
In the end, the work of diplomats continues even while others fight. So,it's not necessarily true that everyone needs to march.
Diplomacy never works.