Pessimists are usually right and optimists are usually wrong but all the great changes have been accomplished by optimists.

If you don't have an ethic of conservation, you basically have a license to drive a Hummer through the Amazon.

What we have in the Bush team is a faith-based administration. It launched a faith-based war in Iraq, on the basis of faith-based intelligence, with a faith-based plan for Iraqi reconstruction, supported by faith-based tax cuts to generate faith-based revenues.

The Arab awakening was like watching elephants fly: something you didn't expect, something you haven't seen before, "Wow, elephants fly."

In China today, Bill Gates is Britney Spears. In America today, Britney Spears is Britney Spears-and that is our problem.

C'mon kids! Wake up and smell the CO2! Take over your administration building, occupy your university president's office, or storm in on the next meeting of your college's board of trustees until they agree to make your school carbon neutral.

It has always been my view that terrorism is not spawned by the poverty of money; it is spawned by the poverty of dignity. Humiliation is the most underestimated force in international relations and in human relations. It is when people or nations are humiliated that they really lash out and engage in extreme violence.