States care about relative wealth, because economic might is the foundation of military might.

Simply put, the most powerful state is the one that prevails in a dispute.

The sad fact is that international politics has always been a ruthless and dangerous business, and it is likely to remain that way.

China, in short has the potential to be considerably more powerful than even the United States.

Great powers must be forever vigilant and never subordinate survival to any other goal, including prosperity.

I believe that the existing power structures in Europe and Northeast Asia are not sustainable through 2020.

In the 1930s, Adolf Hitler believed that his great-power rivals would be easy to exploit and isolate because each had little interest in fighting Germany and instead was determined to get someone else to assume the burden. He guessed right.