And finally, we must draw on the strength of our values -- for the challenges that we face may have changed, but the things that we believe in must not. That's why we must promote our values by living them at home -- which is why I have prohibited torture and will close the prison at Guantanamo Bay. And we must make it clear to every man, woman and child around the world who lives under the dark cloud of tyranny that America will speak out on behalf of their human rights, and tend to the light of freedom and justice and opportunity and respect for the dignity of all peoples. That is who we are. That is the source, the moral source, of America's authority.