In principle, we should not fight a war we are not prepared for, a war we are not sure of winning, a war of anger and attrition. - Cui Tiankai

Climate change is a global challenge. So what is at stake is the global community's interest, not only the interest of our two countries. Of course our two countries have to play an important role in international cooperation to confront this challenge. But this is a true global challenge.

Every ounce of our peoples’ gains has been hard-won, and we must not allow them to be plundered by anyone or suffer losses due to our own carelessness, laziness and incompetence.

I always believe the real foundation of China-U.S. relations is the friendship and mutual understanding between our peoples. So this is the root of state-to-state relations and there's such an infusion among American states, cities and towns and ordinary Americans to learn more about China, to develop friendship with Chinese people, to facilitate cooperation between our two countries.