A diplomat is someone who can tell you to go to hell in such a way that you actually look forward to the trip. Eagles may soar, but weasels aren't sucked into jet engines. If at first you don't succeed, destroy all evidence that you tried. Experience is something you don't get until just after you need it. For every action, there is an equal and opposite criticism.
Success always occurs in private, and failure in full view.
To succeed in politics, it is often necessary to rise above your principles. Two wrongs are only the beginning. You never really learn to swear until you learn to drive. The sooner you fall behind, the more time you'll have to catch up. A clear conscience is usually the sign of a bad memory.