We'll go back to the moon by not learning anything new.

Testing leads to failure, and failure leads to understanding.

We need affordable space travel to inspire our youth, to let them know that they can experience their dreams, can set significant goals and be in a position to lead all of us to future progress in exploration, discovery and fun. Thanks to the X Prize for the inspiration.

In the coming era of manned space exploration by the private sector, market forces will spur development and yield new, low-cost space technologies. If the history of private aviation is any guide, private development efforts will be safer, too.

When you question this war on poverty, you get all the criticisms from adherents to the status quo who just don't want to see anything change. We got to have the courage to face that down, just as we did in the welfare reform of the late 1990s, and if we succeeded, we can help resuscitate this culture and get people back to work.

I think the International Criminal Court could be a threat to American security interests, because the prosecutor of the court has enormous discretion in going after war crimes. And the way the Statute of Rome is written, responsibility for war crimes can be taken all the way up the chain of command.

Our commitment to Afghanistan is a long-term one. We put a huge amount of resources into trying to make sure there is peace in that country, a huge amount of development assistance, a huge amount of political support for the government.

I do believe in the power of freedom. The power of freedom is the mightiest force of history. Once that power unleashes, it ultimately leads to peace and prosperity.