Life is a succession of lessons which must be lived to be understood. All is riddle, and the key to a riddle is another riddle.
Of course, China is a key to the North Korea if we're going to solve that riddle, but they could also be helpful on Iraq, which is why it's important that we maintain a constructive dialogue with China.
The Riddle Master himself lost the key to his own riddles one day,” he said in his deep, reed-pure voice, “and he found it again at the bottom of his heart.